The structure described by Li9Mn2Co5O16 is Caswellsilverite-derived structured and crystallizes in the triclinic P1 space group. There are nine inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(13), one O(16), one O(2), one O(5), and one O(9) atom to form LiO6 octahedra that share corners with three equivalent Li(9)O6 octahedra, corners with three equivalent Co(4)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Li(6)O6 octahedra,  an edgeedge with one Li(8)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Co(1)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, edges with two equivalent Mn(2)O6 octahedra, and edges with two equivalent Co(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 8-10°. In the second Li site, Li(2) is bonded to one O(10), one O(14), one O(2), one O(3), one O(6), and one O(9) atom to form LiO6 octahedra that share corners with three equivalent Mn(2)O6 octahedra, corners with three equivalent Co(2)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Li(7)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra,  an edgeedge with one Co(5)O6 octahedra, edges with two equivalent Li(6)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and edges with two equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-8°. In the third Li site, Li(3) is bonded to one O(10), one O(11), one O(15), one O(3), one O(4), and one O(7) atom to form LiO6 octahedra that share corners with three equivalent Mn(1)O6 octahedra, corners with three equivalent Co(4)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Li(6)O6 octahedra,  an edgeedge with one Li(8)O6 octahedra,  an edgeedge with one Li(9)O6 octahedra,  an edgeedge with one Co(1)O6 octahedra, edges with two equivalent Li(7)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, and edges with two equivalent Co(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-6°. In the fourth Li site, Li(4) is bonded to one O(11), one O(12), one O(16), one O(4), one O(5), and one O(8) atom to form LiO6 octahedra that share corners with three equivalent Co(2)O6 octahedra, corners with three equivalent Co(3)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Li(7)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one Co(5)O6 octahedra, edges with two equivalent Li(8)O6 octahedra, edges with two equivalent Li(9)O6 octahedra, and edges with two equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-10°. In the fifth Li site, Li(5) is bonded to one O(1), one O(12), one O(13), one O(5), one O(6), and one O(9) atom to form LiO6 octahedra that share corners with three equivalent Mn(1)O6 octahedra, corners with three equivalent Co(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Li(6)O6 octahedra,  an edgeedge with one Li(8)O6 octahedra,  an edgeedge with one Li(9)O6 octahedra,  an edgeedge with one Co(4)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Mn(2)O6 octahedra, and edges with two equivalent Co(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 7-9°. In the sixth Li site, Li(6) is bonded to one O(10), one O(13), one O(14), one O(2), one O(6), and one O(7) atom to form LiO6 octahedra that share corners with three equivalent Co(3)O6 octahedra, corners with three equivalent Co(5)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Li(7)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and edges with two equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-9°. In the seventh Li site, Li(7) is bonded to one O(11), one O(14), one O(15), one O(3), one O(7), and one O(8) atom to form LiO6 octahedra that share corners with three equivalent Li(9)O6 octahedra, corners with three equivalent Co(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Li(6)O6 octahedra,  an edgeedge with one Li(8)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Co(4)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, and edges with two equivalent Co(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-9°. In the eighth Li site, Li(8) is bonded to one O(1), one O(12), one O(15), one O(16), one O(4), and one O(8) atom to form LiO6 octahedra that share corners with three equivalent Mn(2)O6 octahedra, corners with three equivalent Co(5)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Li(7)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with two equivalent Li(9)O6 octahedra, and edges with two equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 6-8°. In the ninth Li site, Li(9) is bonded to one O(1), one O(11), one O(15), one O(16), one O(5), and one O(8) atom to form LiO6 octahedra that share corners with three equivalent Li(1)O6 octahedra, corners with three equivalent Li(7)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra,  an edgeedge with one Co(5)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with two equivalent Li(8)O6 octahedra, and edges with two equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 7-10°. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(11), one O(12), one O(15), one O(4), and one O(5) atom to form MnO6 octahedra that share corners with three equivalent Li(3)O6 octahedra, corners with three equivalent Li(5)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(7)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra,  an edgeedge with one Co(5)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with two equivalent Li(8)O6 octahedra, and edges with two equivalent Li(9)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-8°. In the second Mn site, Mn(2) is bonded to one O(1), one O(12), one O(16), one O(2), one O(6), and one O(9) atom to form MnO6 octahedra that share corners with three equivalent Li(2)O6 octahedra, corners with three equivalent Li(8)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Li(6)O6 octahedra,  an edgeedge with one Li(9)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Co(1)O6 octahedra,  an edgeedge with one Co(4)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, and edges with two equivalent Co(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-8°. There are five inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(13), one O(14), one O(3), one O(6), one O(7), and one O(9) atom to form CoO6 octahedra that share corners with three equivalent Li(5)O6 octahedra, corners with three equivalent Li(7)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra,  an edgeedge with one Co(5)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(6)O6 octahedra, and edges with two equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-9°. In the second Co site, Co(2) is bonded to one O(10), one O(11), one O(14), one O(3), one O(4), and one O(8) atom to form CoO6 octahedra that share corners with three equivalent Li(2)O6 octahedra, corners with three equivalent Li(4)O6 octahedra,  an edgeedge with one Li(6)O6 octahedra,  an edgeedge with one Li(8)O6 octahedra,  an edgeedge with one Li(9)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Co(1)O6 octahedra,  an edgeedge with one Co(4)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Li(7)O6 octahedra, and edges with two equivalent Co(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-10°. In the third Co site, Co(3) is bonded to one O(12), one O(13), one O(16), one O(2), one O(5), and one O(6) atom to form CoO6 octahedra that share corners with three equivalent Li(4)O6 octahedra, corners with three equivalent Li(6)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(8)O6 octahedra,  an edgeedge with one Li(9)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Co(1)O6 octahedra,  an edgeedge with one Co(4)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, and edges with two equivalent Mn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-9°. In the fourth Co site, Co(4) is bonded to one O(10), one O(13), one O(2), one O(3), one O(7), and one O(9) atom to form CoO6 octahedra that share corners with three equivalent Li(1)O6 octahedra, corners with three equivalent Li(3)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Li(7)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra,  an edgeedge with one Co(5)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(6)O6 octahedra, and edges with two equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-9°. In the fifth Co site, Co(5) is bonded to one O(10), one O(14), one O(15), one O(4), one O(7), and one O(8) atom to form CoO6 octahedra that share corners with three equivalent Li(6)O6 octahedra, corners with three equivalent Li(8)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Li(9)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Co(1)O6 octahedra,  an edgeedge with one Co(4)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Li(7)O6 octahedra, and edges with two equivalent Co(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-7°. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Li(5), one Li(8), one Li(9), one Mn(1), and one Mn(2) atom to form OLi4Mn2 octahedra that share corners with three equivalent O(9)Li3MnCo2 octahedra, corners with three equivalent O(15)Li4MnCo octahedra,  an edgeedge with one O(13)Li3Co3 octahedra,  an edgeedge with one O(2)Li3MnCo2 octahedra,  an edgeedge with one O(4)Li3MnCo2 octahedra,  an edgeedge with one O(6)Li3MnCo2 octahedra,  an edgeedge with one O(8)Li4Co2 octahedra,  an edgeedge with one O(11)Li4MnCo octahedra, edges with two equivalent O(12)Li3Mn2Co octahedra, edges with two equivalent O(16)Li4MnCo octahedra, and edges with two equivalent O(5)Li4MnCo octahedra. The corner-sharing octahedral tilt angles range from 0-4°. In the second O site, O(2) is bonded to one Li(1), one Li(2), one Li(6), one Mn(2), one Co(3), and one Co(4) atom to form OLi3MnCo2 octahedra that share corners with three equivalent O(10)Li3Co3 octahedra, corners with three equivalent O(16)Li4MnCo octahedra,  an edgeedge with one O(14)Li3Co3 octahedra,  an edgeedge with one O(3)Li3Co3 octahedra,  an edgeedge with one O(7)Li3Co3 octahedra,  an edgeedge with one O(12)Li3Mn2Co octahedra,  an edgeedge with one O(1)Li4Mn2 octahedra,  an edgeedge with one O(5)Li4MnCo octahedra, edges with two equivalent O(13)Li3Co3 octahedra, edges with two equivalent O(6)Li3MnCo2 octahedra, and edges with two equivalent O(9)Li3MnCo2 octahedra. The corner-sharing octahedral tilt angles range from 2-5°. In the third O site, O(3) is bonded to one Li(2), one Li(3), one Li(7), one Co(1), one Co(2), and one Co(4) atom to form OLi3Co3 octahedra that share corners with three equivalent O(9)Li3MnCo2 octahedra, corners with three equivalent O(11)Li4MnCo octahedra,  an edgeedge with one O(13)Li3Co3 octahedra,  an edgeedge with one O(2)Li3MnCo2 octahedra,  an edgeedge with one O(4)Li3MnCo2 octahedra,  an edgeedge with one O(6)Li3MnCo2 octahedra,  an edgeedge with one O(8)Li4Co2 octahedra,  an edgeedge with one O(15)Li4MnCo octahedra, edges with two equivalent O(10)Li3Co3 octahedra, edges with two equivalent O(14)Li3Co3 octahedra, and edges with two equivalent O(7)Li3Co3 octahedra. The corner-sharing octahedral tilt angles range from 3-7°. In the fourth O site, O(4) is bonded to one Li(3), one Li(4), one Li(8), one Mn(1), one Co(2), and one Co(5) atom to form OLi3MnCo2 octahedra that share corners with three equivalent O(10)Li3Co3 octahedra, corners with three equivalent O(12)Li3Mn2Co octahedra,  an edgeedge with one O(14)Li3Co3 octahedra,  an edgeedge with one O(3)Li3Co3 octahedra,  an edgeedge with one O(7)Li3Co3 octahedra,  an edgeedge with one O(1)Li4Mn2 octahedra,  an edgeedge with one O(16)Li4MnCo octahedra,  an edgeedge with one O(5)Li4MnCo octahedra, edges with two equivalent O(8)Li4Co2 octahedra, edges with two equivalent O(11)Li4MnCo octahedra, and edges with two equivalent O(15)Li4MnCo octahedra. The corner-sharing octahedral tilt angles range from 1-5°. In the fifth O site, O(5) is bonded to one Li(1), one Li(4), one Li(5), one Li(9), one Mn(1), and one Co(3) atom to form OLi4MnCo octahedra that share corners with three equivalent O(13)Li3Co3 octahedra, corners with three equivalent O(11)Li4MnCo octahedra,  an edgeedge with one O(2)Li3MnCo2 octahedra,  an edgeedge with one O(4)Li3MnCo2 octahedra,  an edgeedge with one O(6)Li3MnCo2 octahedra,  an edgeedge with one O(9)Li3MnCo2 octahedra,  an edgeedge with one O(8)Li4Co2 octahedra,  an edgeedge with one O(15)Li4MnCo octahedra, edges with two equivalent O(12)Li3Mn2Co octahedra, edges with two equivalent O(1)Li4Mn2 octahedra, and edges with two equivalent O(16)Li4MnCo octahedra. The corner-sharing octahedral tilt angles range from 2-3°. In the sixth O site, O(6) is bonded to one Li(2), one Li(5), one Li(6), one Mn(2), one Co(1), and one Co(3) atom to form OLi3MnCo2 octahedra that share corners with three equivalent O(14)Li3Co3 octahedra, corners with three equivalent O(12)Li3Mn2Co octahedra,  an edgeedge with one O(10)Li3Co3 octahedra,  an edgeedge with one O(3)Li3Co3 octahedra,  an edgeedge with one O(7)Li3Co3 octahedra,  an edgeedge with one O(1)Li4Mn2 octahedra,  an edgeedge with one O(16)Li4MnCo octahedra,  an edgeedge with one O(5)Li4MnCo octahedra, edges with two equivalent O(13)Li3Co3 octahedra, edges with two equivalent O(2)Li3MnCo2 octahedra, and edges with two equivalent O(9)Li3MnCo2 octahedra. The corner-sharing octahedral tilt angles range from 1-5°. In the seventh O site, O(7) is bonded to one Li(3), one Li(6), one Li(7), one Co(1), one Co(4), and one Co(5) atom to form OLi3Co3 octahedra that share corners with three equivalent O(13)Li3Co3 octahedra, corners with three equivalent O(15)Li4MnCo octahedra,  an edgeedge with one O(2)Li3MnCo2 octahedra,  an edgeedge with one O(4)Li3MnCo2 octahedra,  an edgeedge with one O(6)Li3MnCo2 octahedra,  an edgeedge with one O(9)Li3MnCo2 octahedra,  an edgeedge with one O(8)Li4Co2 octahedra,  an edgeedge with one O(11)Li4MnCo octahedra, edges with two equivalent O(10)Li3Co3 octahedra, edges with two equivalent O(14)Li3Co3 octahedra, and edges with two equivalent O(3)Li3Co3 octahedra. The corner-sharing octahedral tilt angles range from 0-4°. In the eighth O site, O(8) is bonded to one Li(4), one Li(7), one Li(8), one Li(9), one Co(2), and one Co(5) atom to form OLi4Co2 octahedra that share corners with three equivalent O(14)Li3Co3 octahedra, corners with three equivalent O(16)Li4MnCo octahedra,  an edgeedge with one O(10)Li3Co3 octahedra,  an edgeedge with one O(3)Li3Co3 octahedra,  an edgeedge with one O(7)Li3Co3 octahedra,  an edgeedge with one O(12)Li3Mn2Co octahedra,  an edgeedge with one O(1)Li4Mn2 octahedra,  an edgeedge with one O(5)Li4MnCo octahedra, edges with two equivalent O(4)Li3MnCo2 octahedra, edges with two equivalent O(11)Li4MnCo octahedra, and edges with two equivalent O(15)Li4MnCo octahedra. The corner-sharing octahedral tilt angles range from 0-7°. In the ninth O site, O(9) is bonded to one Li(1), one Li(2), one Li(5), one Mn(2), one Co(1), and one Co(4) atom to form OLi3MnCo2 octahedra that share corners with three equivalent O(3)Li3Co3 octahedra, corners with three equivalent O(1)Li4Mn2 octahedra,  an edgeedge with one O(10)Li3Co3 octahedra,  an edgeedge with one O(14)Li3Co3 octahedra,  an edgeedge with one O(7)Li3Co3 octahedra,  an edgeedge with one O(12)Li3Mn2Co octahedra,  an edgeedge with one O(16)Li4MnCo octahedra,  an edgeedge with one O(5)Li4MnCo octahedra, edges with two equivalent O(13)Li3Co3 octahedra, edges with two equivalent O(2)Li3MnCo2 octahedra, and edges with two equivalent O(6)Li3MnCo2 octahedra. The corner-sharing octahedral tilt angles range from 0-6°. In the tenth O site, O(10) is bonded to one Li(2), one Li(3), one Li(6), one Co(2), one Co(4), and one Co(5) atom to form OLi3Co3 octahedra that share corners with three equivalent O(2)Li3MnCo2 octahedra, corners with three equivalent O(4)Li3MnCo2 octahedra,  an edgeedge with one O(13)Li3Co3 octahedra,  an edgeedge with one O(6)Li3MnCo2 octahedra,  an edgeedge with one O(9)Li3MnCo2 octahedra,  an edgeedge with one O(8)Li4Co2 octahedra,  an edgeedge with one O(11)Li4MnCo octahedra,  an edgeedge with one O(15)Li4MnCo octahedra, edges with two equivalent O(14)Li3Co3 octahedra, edges with two equivalent O(3)Li3Co3 octahedra, and edges with two equivalent O(7)Li3Co3 octahedra. The corner-sharing octahedral tilt angles range from 1-5°. In the eleventh O site, O(11) is bonded to one Li(3), one Li(4), one Li(7), one Li(9), one Mn(1), and one Co(2) atom to form OLi4MnCo octahedra that share corners with three equivalent O(3)Li3Co3 octahedra, corners with three equivalent O(5)Li4MnCo octahedra,  an edgeedge with one O(10)Li3Co3 octahedra,  an edgeedge with one O(14)Li3Co3 octahedra,  an edgeedge with one O(7)Li3Co3 octahedra,  an edgeedge with one O(12)Li3Mn2Co octahedra,  an edgeedge with one O(1)Li4Mn2 octahedra,  an edgeedge with one O(16)Li4MnCo octahedra, edges with two equivalent O(4)Li3MnCo2 octahedra, edges with two equivalent O(8)Li4Co2 octahedra, and edges with two equivalent O(15)Li4MnCo octahedra. The corner-sharing octahedral tilt angles range from 2-7°. In the twelfth O site, O(12) is bonded to one Li(4), one Li(5), one Li(8), one Mn(1), one Mn(2), and one Co(3) atom to form OLi3Mn2Co octahedra that share corners with three equivalent O(4)Li3MnCo2 octahedra, corners with three equivalent O(6)Li3MnCo2 octahedra,  an edgeedge with one O(13)Li3Co3 octahedra,  an edgeedge with one O(2)Li3MnCo2 octahedra,  an edgeedge with one O(9)Li3MnCo2 octahedra,  an edgeedge with one O(8)Li4Co2 octahedra,  an edgeedge with one O(11)Li4MnCo octahedra,  an edgeedge with one O(15)Li4MnCo octahedra, edges with two equivalent O(1)Li4Mn2 octahedra, edges with two equivalent O(16)Li4MnCo octahedra, and edges with two equivalent O(5)Li4MnCo octahedra. The corner-sharing octahedral tilt angles range from 1-5°. In the thirteenth O site, O(13) is bonded to one Li(1), one Li(5), one Li(6), one Co(1), one Co(3), and one Co(4) atom to form OLi3Co3 octahedra that share corners with three equivalent O(7)Li3Co3 octahedra, corners with three equivalent O(5)Li4MnCo octahedra,  an edgeedge with one O(10)Li3Co3 octahedra,  an edgeedge with one O(14)Li3Co3 octahedra,  an edgeedge with one O(3)Li3Co3 octahedra,  an edgeedge with one O(12)Li3Mn2Co octahedra,  an edgeedge with one O(1)Li4Mn2 octahedra,  an edgeedge with one O(16)Li4MnCo octahedra, edges with two equivalent O(2)Li3MnCo2 octahedra, edges with two equivalent O(6)Li3MnCo2 octahedra, and edges with two equivalent O(9)Li3MnCo2 octahedra. The corner-sharing octahedral tilt angles range from 2-4°. In the fourteenth O site, O(14) is bonded to one Li(2), one Li(6), one Li(7), one Co(1), one Co(2), and one Co(5) atom to form OLi3Co3 octahedra that share corners with three equivalent O(6)Li3MnCo2 octahedra, corners with three equivalent O(8)Li4Co2 octahedra,  an edgeedge with one O(13)Li3Co3 octahedra,  an edgeedge with one O(2)Li3MnCo2 octahedra,  an edgeedge with one O(4)Li3MnCo2 octahedra,  an edgeedge with one O(9)Li3MnCo2 octahedra,  an edgeedge with one O(11)Li4MnCo octahedra,  an edgeedge with one O(15)Li4MnCo octahedra, edges with two equivalent O(10)Li3Co3 octahedra, edges with two equivalent O(3)Li3Co3 octahedra, and edges with two equivalent O(7)Li3Co3 octahedra. The corner-sharing octahedral tilt angles range from 2-7°. In the fifteenth O site, O(15) is bonded to one Li(3), one Li(7), one Li(8), one Li(9), one Mn(1), and one Co(5) atom to form OLi4MnCo octahedra that share corners with three equivalent O(7)Li3Co3 octahedra, corners with three equivalent O(1)Li4Mn2 octahedra,  an edgeedge with one O(10)Li3Co3 octahedra,  an edgeedge with one O(14)Li3Co3 octahedra,  an edgeedge with one O(3)Li3Co3 octahedra,  an edgeedge with one O(12)Li3Mn2Co octahedra,  an edgeedge with one O(16)Li4MnCo octahedra,  an edgeedge with one O(5)Li4MnCo octahedra, edges with two equivalent O(4)Li3MnCo2 octahedra, edges with two equivalent O(8)Li4Co2 octahedra, and edges with two equivalent O(11)Li4MnCo octahedra. The corner-sharing octahedral tilt angles range from 0-4°. In the sixteenth O site, O(16) is bonded to one Li(1), one Li(4), one Li(8), one Li(9), one Mn(2), and one Co(3) atom to form OLi4MnCo octahedra that share corners with three equivalent O(2)Li3MnCo2 octahedra, corners with three equivalent O(8)Li4Co2 octahedra,  an edgeedge with one O(13)Li3Co3 octahedra,  an edgeedge with one O(4)Li3MnCo2 octahedra,  an edgeedge with one O(6)Li3MnCo2 octahedra,  an edgeedge with one O(9)Li3MnCo2 octahedra,  an edgeedge with one O(11)Li4MnCo octahedra,  an edgeedge with one O(15)Li4MnCo octahedra, edges with two equivalent O(12)Li3Mn2Co octahedra, edges with two equivalent O(1)Li4Mn2 octahedra, and edges with two equivalent O(5)Li4MnCo octahedra. The corner-sharing octahedral tilt angles range from 0-4°. is represented by the CIF card [CIF]
data_Li9Mn2Co5O16
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.814
_cell_length_b   5.886
_cell_length_c   9.701
_cell_angle_alpha   98.818
_cell_angle_beta   90.887
_cell_angle_gamma   119.287
_symmetry_Int_Tables_number   1
_cell_volume   284.568
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Li  Li0  1  0.876  0.750  0.248  1.0
  Li  Li1  1  0.751  0.000  0.504  1.0
  Li  Li2  1  0.620  0.247  0.753  1.0
  Li  Li3  1  0.497  0.499  0.995  1.0
  Li  Li4  1  0.380  0.755  0.245  1.0
  Li  Li5  1  0.248  0.001  0.505  1.0
  Li  Li6  1  0.122  0.247  0.751  1.0
  Li  Li7  1  0.000  0.498  0.996  1.0
  Li  Li8  1  0.500  0.002  0.001  1.0
  Mn  Mn9  1  0.996  0.997  0.002  1.0
  Mn  Mn10  1  0.382  0.247  0.246  1.0
  Co  Co11  1  0.760  0.505  0.503  1.0
  Co  Co12  1  0.135  0.759  0.758  1.0
  Co  Co13  1  0.875  0.247  0.247  1.0
  Co  Co14  1  0.251  0.502  0.500  1.0
  Co  Co15  1  0.621  0.759  0.755  1.0
  O  O16  1  0.190  0.905  0.126  1.0
  O  O17  1  0.081  0.147  0.364  1.0
  O  O18  1  0.933  0.384  0.617  1.0
  O  O19  1  0.822  0.650  0.885  1.0
  O  O20  1  0.716  0.904  0.124  1.0
  O  O21  1  0.575  0.141  0.359  1.0
  O  O22  1  0.445  0.400  0.624  1.0
  O  O23  1  0.301  0.626  0.864  1.0
  O  O24  1  0.555  0.595  0.373  1.0
  O  O25  1  0.429  0.865  0.626  1.0
  O  O26  1  0.284  0.111  0.883  1.0
  O  O27  1  0.174  0.347  0.130  1.0
  O  O28  1  0.055  0.594  0.372  1.0
  O  O29  1  0.933  0.857  0.628  1.0
  O  O30  1  0.811  0.098  0.876  1.0
  O  O31  1  0.679  0.362  0.140  1.0
[/CIF]
.
The structure described by Li9Mn2Co5O16 is Caswellsilverite-derived structured and crystallizes in the triclinic P1 space group. There are nine inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(13), one O(16), one O(2), one O(5), and one O(9) atom to form LiO6 octahedra that share corners with three equivalent Li(9)O6 octahedra, corners with three equivalent Co(4)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Li(6)O6 octahedra,  an edgeedge with one Li(8)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Co(1)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, edges with two equivalent Mn(2)O6 octahedra, and edges with two equivalent Co(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 8-10°. In the second Li site, Li(2) is bonded to one O(10), one O(14), one O(2), one O(3), one O(6), and one O(9) atom to form LiO6 octahedra that share corners with three equivalent Mn(2)O6 octahedra, corners with three equivalent Co(2)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Li(7)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra,  an edgeedge with one Co(5)O6 octahedra, edges with two equivalent Li(6)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and edges with two equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-8°. In the third Li site, Li(3) is bonded to one O(10), one O(11), one O(15), one O(3), one O(4), and one O(7) atom to form LiO6 octahedra that share corners with three equivalent Mn(1)O6 octahedra, corners with three equivalent Co(4)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Li(6)O6 octahedra,  an edgeedge with one Li(8)O6 octahedra,  an edgeedge with one Li(9)O6 octahedra,  an edgeedge with one Co(1)O6 octahedra, edges with two equivalent Li(7)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, and edges with two equivalent Co(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-6°. In the fourth Li site, Li(4) is bonded to one O(11), one O(12), one O(16), one O(4), one O(5), and one O(8) atom to form LiO6 octahedra that share corners with three equivalent Co(2)O6 octahedra, corners with three equivalent Co(3)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Li(7)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one Co(5)O6 octahedra, edges with two equivalent Li(8)O6 octahedra, edges with two equivalent Li(9)O6 octahedra, and edges with two equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-10°. In the fifth Li site, Li(5) is bonded to one O(1), one O(12), one O(13), one O(5), one O(6), and one O(9) atom to form LiO6 octahedra that share corners with three equivalent Mn(1)O6 octahedra, corners with three equivalent Co(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Li(6)O6 octahedra,  an edgeedge with one Li(8)O6 octahedra,  an edgeedge with one Li(9)O6 octahedra,  an edgeedge with one Co(4)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Mn(2)O6 octahedra, and edges with two equivalent Co(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 7-9°. In the sixth Li site, Li(6) is bonded to one O(10), one O(13), one O(14), one O(2), one O(6), and one O(7) atom to form LiO6 octahedra that share corners with three equivalent Co(3)O6 octahedra, corners with three equivalent Co(5)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Li(7)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and edges with two equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-9°. In the seventh Li site, Li(7) is bonded to one O(11), one O(14), one O(15), one O(3), one O(7), and one O(8) atom to form LiO6 octahedra that share corners with three equivalent Li(9)O6 octahedra, corners with three equivalent Co(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Li(6)O6 octahedra,  an edgeedge with one Li(8)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Co(4)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, and edges with two equivalent Co(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-9°. In the eighth Li site, Li(8) is bonded to one O(1), one O(12), one O(15), one O(16), one O(4), and one O(8) atom to form LiO6 octahedra that share corners with three equivalent Mn(2)O6 octahedra, corners with three equivalent Co(5)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Li(7)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with two equivalent Li(9)O6 octahedra, and edges with two equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 6-8°. In the ninth Li site, Li(9) is bonded to one O(1), one O(11), one O(15), one O(16), one O(5), and one O(8) atom to form LiO6 octahedra that share corners with three equivalent Li(1)O6 octahedra, corners with three equivalent Li(7)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra,  an edgeedge with one Co(5)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with two equivalent Li(8)O6 octahedra, and edges with two equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 7-10°. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(11), one O(12), one O(15), one O(4), and one O(5) atom to form MnO6 octahedra that share corners with three equivalent Li(3)O6 octahedra, corners with three equivalent Li(5)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(7)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra,  an edgeedge with one Co(5)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with two equivalent Li(8)O6 octahedra, and edges with two equivalent Li(9)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-8°. In the second Mn site, Mn(2) is bonded to one O(1), one O(12), one O(16), one O(2), one O(6), and one O(9) atom to form MnO6 octahedra that share corners with three equivalent Li(2)O6 octahedra, corners with three equivalent Li(8)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Li(6)O6 octahedra,  an edgeedge with one Li(9)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Co(1)O6 octahedra,  an edgeedge with one Co(4)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, and edges with two equivalent Co(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-8°. There are five inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(13), one O(14), one O(3), one O(6), one O(7), and one O(9) atom to form CoO6 octahedra that share corners with three equivalent Li(5)O6 octahedra, corners with three equivalent Li(7)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra,  an edgeedge with one Co(5)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(6)O6 octahedra, and edges with two equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-9°. In the second Co site, Co(2) is bonded to one O(10), one O(11), one O(14), one O(3), one O(4), and one O(8) atom to form CoO6 octahedra that share corners with three equivalent Li(2)O6 octahedra, corners with three equivalent Li(4)O6 octahedra,  an edgeedge with one Li(6)O6 octahedra,  an edgeedge with one Li(8)O6 octahedra,  an edgeedge with one Li(9)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Co(1)O6 octahedra,  an edgeedge with one Co(4)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Li(7)O6 octahedra, and edges with two equivalent Co(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-10°. In the third Co site, Co(3) is bonded to one O(12), one O(13), one O(16), one O(2), one O(5), and one O(6) atom to form CoO6 octahedra that share corners with three equivalent Li(4)O6 octahedra, corners with three equivalent Li(6)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(8)O6 octahedra,  an edgeedge with one Li(9)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Co(1)O6 octahedra,  an edgeedge with one Co(4)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, and edges with two equivalent Mn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-9°. In the fourth Co site, Co(4) is bonded to one O(10), one O(13), one O(2), one O(3), one O(7), and one O(9) atom to form CoO6 octahedra that share corners with three equivalent Li(1)O6 octahedra, corners with three equivalent Li(3)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Li(7)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra,  an edgeedge with one Co(5)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(6)O6 octahedra, and edges with two equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-9°. In the fifth Co site, Co(5) is bonded to one O(10), one O(14), one O(15), one O(4), one O(7), and one O(8) atom to form CoO6 octahedra that share corners with three equivalent Li(6)O6 octahedra, corners with three equivalent Li(8)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Li(9)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Co(1)O6 octahedra,  an edgeedge with one Co(4)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Li(7)O6 octahedra, and edges with two equivalent Co(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-7°. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Li(5), one Li(8), one Li(9), one Mn(1), and one Mn(2) atom to form OLi4Mn2 octahedra that share corners with three equivalent O(9)Li3MnCo2 octahedra, corners with three equivalent O(15)Li4MnCo octahedra,  an edgeedge with one O(13)Li3Co3 octahedra,  an edgeedge with one O(2)Li3MnCo2 octahedra,  an edgeedge with one O(4)Li3MnCo2 octahedra,  an edgeedge with one O(6)Li3MnCo2 octahedra,  an edgeedge with one O(8)Li4Co2 octahedra,  an edgeedge with one O(11)Li4MnCo octahedra, edges with two equivalent O(12)Li3Mn2Co octahedra, edges with two equivalent O(16)Li4MnCo octahedra, and edges with two equivalent O(5)Li4MnCo octahedra. The corner-sharing octahedral tilt angles range from 0-4°. In the second O site, O(2) is bonded to one Li(1), one Li(2), one Li(6), one Mn(2), one Co(3), and one Co(4) atom to form OLi3MnCo2 octahedra that share corners with three equivalent O(10)Li3Co3 octahedra, corners with three equivalent O(16)Li4MnCo octahedra,  an edgeedge with one O(14)Li3Co3 octahedra,  an edgeedge with one O(3)Li3Co3 octahedra,  an edgeedge with one O(7)Li3Co3 octahedra,  an edgeedge with one O(12)Li3Mn2Co octahedra,  an edgeedge with one O(1)Li4Mn2 octahedra,  an edgeedge with one O(5)Li4MnCo octahedra, edges with two equivalent O(13)Li3Co3 octahedra, edges with two equivalent O(6)Li3MnCo2 octahedra, and edges with two equivalent O(9)Li3MnCo2 octahedra. The corner-sharing octahedral tilt angles range from 2-5°. In the third O site, O(3) is bonded to one Li(2), one Li(3), one Li(7), one Co(1), one Co(2), and one Co(4) atom to form OLi3Co3 octahedra that share corners with three equivalent O(9)Li3MnCo2 octahedra, corners with three equivalent O(11)Li4MnCo octahedra,  an edgeedge with one O(13)Li3Co3 octahedra,  an edgeedge with one O(2)Li3MnCo2 octahedra,  an edgeedge with one O(4)Li3MnCo2 octahedra,  an edgeedge with one O(6)Li3MnCo2 octahedra,  an edgeedge with one O(8)Li4Co2 octahedra,  an edgeedge with one O(15)Li4MnCo octahedra, edges with two equivalent O(10)Li3Co3 octahedra, edges with two equivalent O(14)Li3Co3 octahedra, and edges with two equivalent O(7)Li3Co3 octahedra. The corner-sharing octahedral tilt angles range from 3-7°. In the fourth O site, O(4) is bonded to one Li(3), one Li(4), one Li(8), one Mn(1), one Co(2), and one Co(5) atom to form OLi3MnCo2 octahedra that share corners with three equivalent O(10)Li3Co3 octahedra, corners with three equivalent O(12)Li3Mn2Co octahedra,  an edgeedge with one O(14)Li3Co3 octahedra,  an edgeedge with one O(3)Li3Co3 octahedra,  an edgeedge with one O(7)Li3Co3 octahedra,  an edgeedge with one O(1)Li4Mn2 octahedra,  an edgeedge with one O(16)Li4MnCo octahedra,  an edgeedge with one O(5)Li4MnCo octahedra, edges with two equivalent O(8)Li4Co2 octahedra, edges with two equivalent O(11)Li4MnCo octahedra, and edges with two equivalent O(15)Li4MnCo octahedra. The corner-sharing octahedral tilt angles range from 1-5°. In the fifth O site, O(5) is bonded to one Li(1), one Li(4), one Li(5), one Li(9), one Mn(1), and one Co(3) atom to form OLi4MnCo octahedra that share corners with three equivalent O(13)Li3Co3 octahedra, corners with three equivalent O(11)Li4MnCo octahedra,  an edgeedge with one O(2)Li3MnCo2 octahedra,  an edgeedge with one O(4)Li3MnCo2 octahedra,  an edgeedge with one O(6)Li3MnCo2 octahedra,  an edgeedge with one O(9)Li3MnCo2 octahedra,  an edgeedge with one O(8)Li4Co2 octahedra,  an edgeedge with one O(15)Li4MnCo octahedra, edges with two equivalent O(12)Li3Mn2Co octahedra, edges with two equivalent O(1)Li4Mn2 octahedra, and edges with two equivalent O(16)Li4MnCo octahedra. The corner-sharing octahedral tilt angles range from 2-3°. In the sixth O site, O(6) is bonded to one Li(2), one Li(5), one Li(6), one Mn(2), one Co(1), and one Co(3) atom to form OLi3MnCo2 octahedra that share corners with three equivalent O(14)Li3Co3 octahedra, corners with three equivalent O(12)Li3Mn2Co octahedra,  an edgeedge with one O(10)Li3Co3 octahedra,  an edgeedge with one O(3)Li3Co3 octahedra,  an edgeedge with one O(7)Li3Co3 octahedra,  an edgeedge with one O(1)Li4Mn2 octahedra,  an edgeedge with one O(16)Li4MnCo octahedra,  an edgeedge with one O(5)Li4MnCo octahedra, edges with two equivalent O(13)Li3Co3 octahedra, edges with two equivalent O(2)Li3MnCo2 octahedra, and edges with two equivalent O(9)Li3MnCo2 octahedra. The corner-sharing octahedral tilt angles range from 1-5°. In the seventh O site, O(7) is bonded to one Li(3), one Li(6), one Li(7), one Co(1), one Co(4), and one Co(5) atom to form OLi3Co3 octahedra that share corners with three equivalent O(13)Li3Co3 octahedra, corners with three equivalent O(15)Li4MnCo octahedra,  an edgeedge with one O(2)Li3MnCo2 octahedra,  an edgeedge with one O(4)Li3MnCo2 octahedra,  an edgeedge with one O(6)Li3MnCo2 octahedra,  an edgeedge with one O(9)Li3MnCo2 octahedra,  an edgeedge with one O(8)Li4Co2 octahedra,  an edgeedge with one O(11)Li4MnCo octahedra, edges with two equivalent O(10)Li3Co3 octahedra, edges with two equivalent O(14)Li3Co3 octahedra, and edges with two equivalent O(3)Li3Co3 octahedra. The corner-sharing octahedral tilt angles range from 0-4°. In the eighth O site, O(8) is bonded to one Li(4), one Li(7), one Li(8), one Li(9), one Co(2), and one Co(5) atom to form OLi4Co2 octahedra that share corners with three equivalent O(14)Li3Co3 octahedra, corners with three equivalent O(16)Li4MnCo octahedra,  an edgeedge with one O(10)Li3Co3 octahedra,  an edgeedge with one O(3)Li3Co3 octahedra,  an edgeedge with one O(7)Li3Co3 octahedra,  an edgeedge with one O(12)Li3Mn2Co octahedra,  an edgeedge with one O(1)Li4Mn2 octahedra,  an edgeedge with one O(5)Li4MnCo octahedra, edges with two equivalent O(4)Li3MnCo2 octahedra, edges with two equivalent O(11)Li4MnCo octahedra, and edges with two equivalent O(15)Li4MnCo octahedra. The corner-sharing octahedral tilt angles range from 0-7°. In the ninth O site, O(9) is bonded to one Li(1), one Li(2), one Li(5), one Mn(2), one Co(1), and one Co(4) atom to form OLi3MnCo2 octahedra that share corners with three equivalent O(3)Li3Co3 octahedra, corners with three equivalent O(1)Li4Mn2 octahedra,  an edgeedge with one O(10)Li3Co3 octahedra,  an edgeedge with one O(14)Li3Co3 octahedra,  an edgeedge with one O(7)Li3Co3 octahedra,  an edgeedge with one O(12)Li3Mn2Co octahedra,  an edgeedge with one O(16)Li4MnCo octahedra,  an edgeedge with one O(5)Li4MnCo octahedra, edges with two equivalent O(13)Li3Co3 octahedra, edges with two equivalent O(2)Li3MnCo2 octahedra, and edges with two equivalent O(6)Li3MnCo2 octahedra. The corner-sharing octahedral tilt angles range from 0-6°. In the tenth O site, O(10) is bonded to one Li(2), one Li(3), one Li(6), one Co(2), one Co(4), and one Co(5) atom to form OLi3Co3 octahedra that share corners with three equivalent O(2)Li3MnCo2 octahedra, corners with three equivalent O(4)Li3MnCo2 octahedra,  an edgeedge with one O(13)Li3Co3 octahedra,  an edgeedge with one O(6)Li3MnCo2 octahedra,  an edgeedge with one O(9)Li3MnCo2 octahedra,  an edgeedge with one O(8)Li4Co2 octahedra,  an edgeedge with one O(11)Li4MnCo octahedra,  an edgeedge with one O(15)Li4MnCo octahedra, edges with two equivalent O(14)Li3Co3 octahedra, edges with two equivalent O(3)Li3Co3 octahedra, and edges with two equivalent O(7)Li3Co3 octahedra. The corner-sharing octahedral tilt angles range from 1-5°. In the eleventh O site, O(11) is bonded to one Li(3), one Li(4), one Li(7), one Li(9), one Mn(1), and one Co(2) atom to form OLi4MnCo octahedra that share corners with three equivalent O(3)Li3Co3 octahedra, corners with three equivalent O(5)Li4MnCo octahedra,  an edgeedge with one O(10)Li3Co3 octahedra,  an edgeedge with one O(14)Li3Co3 octahedra,  an edgeedge with one O(7)Li3Co3 octahedra,  an edgeedge with one O(12)Li3Mn2Co octahedra,  an edgeedge with one O(1)Li4Mn2 octahedra,  an edgeedge with one O(16)Li4MnCo octahedra, edges with two equivalent O(4)Li3MnCo2 octahedra, edges with two equivalent O(8)Li4Co2 octahedra, and edges with two equivalent O(15)Li4MnCo octahedra. The corner-sharing octahedral tilt angles range from 2-7°. In the twelfth O site, O(12) is bonded to one Li(4), one Li(5), one Li(8), one Mn(1), one Mn(2), and one Co(3) atom to form OLi3Mn2Co octahedra that share corners with three equivalent O(4)Li3MnCo2 octahedra, corners with three equivalent O(6)Li3MnCo2 octahedra,  an edgeedge with one O(13)Li3Co3 octahedra,  an edgeedge with one O(2)Li3MnCo2 octahedra,  an edgeedge with one O(9)Li3MnCo2 octahedra,  an edgeedge with one O(8)Li4Co2 octahedra,  an edgeedge with one O(11)Li4MnCo octahedra,  an edgeedge with one O(15)Li4MnCo octahedra, edges with two equivalent O(1)Li4Mn2 octahedra, edges with two equivalent O(16)Li4MnCo octahedra, and edges with two equivalent O(5)Li4MnCo octahedra. The corner-sharing octahedral tilt angles range from 1-5°. In the thirteenth O site, O(13) is bonded to one Li(1), one Li(5), one Li(6), one Co(1), one Co(3), and one Co(4) atom to form OLi3Co3 octahedra that share corners with three equivalent O(7)Li3Co3 octahedra, corners with three equivalent O(5)Li4MnCo octahedra,  an edgeedge with one O(10)Li3Co3 octahedra,  an edgeedge with one O(14)Li3Co3 octahedra,  an edgeedge with one O(3)Li3Co3 octahedra,  an edgeedge with one O(12)Li3Mn2Co octahedra,  an edgeedge with one O(1)Li4Mn2 octahedra,  an edgeedge with one O(16)Li4MnCo octahedra, edges with two equivalent O(2)Li3MnCo2 octahedra, edges with two equivalent O(6)Li3MnCo2 octahedra, and edges with two equivalent O(9)Li3MnCo2 octahedra. The corner-sharing octahedral tilt angles range from 2-4°. In the fourteenth O site, O(14) is bonded to one Li(2), one Li(6), one Li(7), one Co(1), one Co(2), and one Co(5) atom to form OLi3Co3 octahedra that share corners with three equivalent O(6)Li3MnCo2 octahedra, corners with three equivalent O(8)Li4Co2 octahedra,  an edgeedge with one O(13)Li3Co3 octahedra,  an edgeedge with one O(2)Li3MnCo2 octahedra,  an edgeedge with one O(4)Li3MnCo2 octahedra,  an edgeedge with one O(9)Li3MnCo2 octahedra,  an edgeedge with one O(11)Li4MnCo octahedra,  an edgeedge with one O(15)Li4MnCo octahedra, edges with two equivalent O(10)Li3Co3 octahedra, edges with two equivalent O(3)Li3Co3 octahedra, and edges with two equivalent O(7)Li3Co3 octahedra. The corner-sharing octahedral tilt angles range from 2-7°. In the fifteenth O site, O(15) is bonded to one Li(3), one Li(7), one Li(8), one Li(9), one Mn(1), and one Co(5) atom to form OLi4MnCo octahedra that share corners with three equivalent O(7)Li3Co3 octahedra, corners with three equivalent O(1)Li4Mn2 octahedra,  an edgeedge with one O(10)Li3Co3 octahedra,  an edgeedge with one O(14)Li3Co3 octahedra,  an edgeedge with one O(3)Li3Co3 octahedra,  an edgeedge with one O(12)Li3Mn2Co octahedra,  an edgeedge with one O(16)Li4MnCo octahedra,  an edgeedge with one O(5)Li4MnCo octahedra, edges with two equivalent O(4)Li3MnCo2 octahedra, edges with two equivalent O(8)Li4Co2 octahedra, and edges with two equivalent O(11)Li4MnCo octahedra. The corner-sharing octahedral tilt angles range from 0-4°. In the sixteenth O site, O(16) is bonded to one Li(1), one Li(4), one Li(8), one Li(9), one Mn(2), and one Co(3) atom to form OLi4MnCo octahedra that share corners with three equivalent O(2)Li3MnCo2 octahedra, corners with three equivalent O(8)Li4Co2 octahedra,  an edgeedge with one O(13)Li3Co3 octahedra,  an edgeedge with one O(4)Li3MnCo2 octahedra,  an edgeedge with one O(6)Li3MnCo2 octahedra,  an edgeedge with one O(9)Li3MnCo2 octahedra,  an edgeedge with one O(11)Li4MnCo octahedra,  an edgeedge with one O(15)Li4MnCo octahedra, edges with two equivalent O(12)Li3Mn2Co octahedra, edges with two equivalent O(1)Li4Mn2 octahedra, and edges with two equivalent O(5)Li4MnCo octahedra. The corner-sharing octahedral tilt angles range from 0-4°. is represented by the CIF card [CIF]
data_Li9Mn2Co5O16
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.814
_cell_length_b   5.886
_cell_length_c   9.701
_cell_angle_alpha   98.818
_cell_angle_beta   90.887
_cell_angle_gamma   119.287
_symmetry_Int_Tables_number   1
_cell_volume   284.568
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Li  Li0  1  0.876  0.750  0.248  1.0
  Li  Li1  1  0.751  0.000  0.504  1.0
  Li  Li2  1  0.620  0.247  0.753  1.0
  Li  Li3  1  0.497  0.499  0.995  1.0
  Li  Li4  1  0.380  0.755  0.245  1.0
  Li  Li5  1  0.248  0.001  0.505  1.0
  Li  Li6  1  0.122  0.247  0.751  1.0
  Li  Li7  1  0.000  0.498  0.996  1.0
  Li  Li8  1  0.500  0.002  0.001  1.0
  Mn  Mn9  1  0.996  0.997  0.002  1.0
  Mn  Mn10  1  0.382  0.247  0.246  1.0
  Co  Co11  1  0.760  0.505  0.503  1.0
  Co  Co12  1  0.135  0.759  0.758  1.0
  Co  Co13  1  0.875  0.247  0.247  1.0
  Co  Co14  1  0.251  0.502  0.500  1.0
  Co  Co15  1  0.621  0.759  0.755  1.0
  O  O16  1  0.190  0.905  0.126  1.0
  O  O17  1  0.081  0.147  0.364  1.0
  O  O18  1  0.933  0.384  0.617  1.0
  O  O19  1  0.822  0.650  0.885  1.0
  O  O20  1  0.716  0.904  0.124  1.0
  O  O21  1  0.575  0.141  0.359  1.0
  O  O22  1  0.445  0.400  0.624  1.0
  O  O23  1  0.301  0.626  0.864  1.0
  O  O24  1  0.555  0.595  0.373  1.0
  O  O25  1  0.429  0.865  0.626  1.0
  O  O26  1  0.284  0.111  0.883  1.0
  O  O27  1  0.174  0.347  0.130  1.0
  O  O28  1  0.055  0.594  0.372  1.0
  O  O29  1  0.933  0.857  0.628  1.0
  O  O30  1  0.811  0.098  0.876  1.0
  O  O31  1  0.679  0.362  0.140  1.0
[/CIF]
.