The crystal structure described by Li9Ni15O28 crystallizes in the triclinic P-1 space group. There are five inequivalent Li sites. In the first Li site, Li(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(7) atoms to form LiO6 octahedra that share corners with two equivalent Ni(2)O6 octahedra, corners with two equivalent Ni(5)O6 octahedra, corners with two equivalent Ni(9)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Ni(3)O6 octahedra, edges with two equivalent Ni(4)O6 octahedra, and edges with two equivalent Ni(6)O6 octahedra. The corner-sharing octahedral tilt angles are 12°. In the second Li site, Li(2) is bonded to one O(1), one O(11), one O(13), one O(4), one O(7), and one O(8) atom to form LiO6 octahedra that share  a cornercorner with one Ni(3)O6 octahedra,  a cornercorner with one Ni(7)O6 octahedra,  a cornercorner with one Ni(8)O6 octahedra, corners with three equivalent Ni(4)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(5)O6 octahedra,  an edgeedge with one Ni(6)O6 octahedra,  an edgeedge with one Ni(8)O6 octahedra,  an edgeedge with one Ni(9)O6 octahedra, and edges with two equivalent Li(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 6-15°. In the third Li site, Li(3) is bonded to one O(10), one O(12), one O(14), one O(2), one O(5), and one O(6) atom to form LiO6 octahedra that share  a cornercorner with one Ni(2)O6 octahedra,  a cornercorner with one Ni(6)O6 octahedra,  a cornercorner with one Ni(9)O6 octahedra, corners with three equivalent Ni(5)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra,  an edgeedge with one Ni(6)O6 octahedra,  an edgeedge with one Ni(7)O6 octahedra,  an edgeedge with one Ni(8)O6 octahedra, and edges with two equivalent Li(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 6-12°. In the fourth Li site, Li(4) is bonded to one O(12), one O(13), one O(14), one O(4), and two equivalent O(5) atoms to form LiO6 octahedra that share  a cornercorner with one Ni(4)O6 octahedra,  a cornercorner with one Ni(7)O6 octahedra, corners with two equivalent Ni(3)O6 octahedra, corners with two equivalent Ni(8)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra,  an edgeedge with one Ni(5)O6 octahedra,  an edgeedge with one Ni(9)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, and edges with two equivalent Ni(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 6-14°. In the fifth Li site, Li(5) is bonded to one O(10), one O(11), one O(13), one O(14), and two equivalent O(8) atoms to form LiO6 octahedra that share  a cornercorner with one Ni(5)O6 octahedra,  a cornercorner with one Ni(9)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, corners with two equivalent Ni(6)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra,  an edgeedge with one Ni(5)O6 octahedra,  an edgeedge with one Ni(7)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, and edges with two equivalent Ni(8)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-14°. There are nine inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to two equivalent O(2), two equivalent O(6), and two equivalent O(9) atoms to form NiO6 octahedra that share corners with two equivalent Ni(3)O6 octahedra, corners with two equivalent Ni(4)O6 octahedra, corners with two equivalent Ni(7)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with two equivalent Ni(5)O6 octahedra, and edges with two equivalent Ni(8)O6 octahedra. The corner-sharing octahedral tilt angles range from 10-14°. In the second Ni site, Ni(2) is bonded to one O(1), one O(2), one O(8), one O(9), and two equivalent O(10) atoms to form NiO6 octahedra that share  a cornercorner with one Li(1)O6 octahedra,  a cornercorner with one Li(3)O6 octahedra, corners with two equivalent Li(5)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(5)O6 octahedra,  an edgeedge with one Ni(8)O6 octahedra, and edges with two equivalent Ni(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 7-14°. In the third Ni site, Ni(3) is bonded to one O(1), one O(2), one O(3), one O(5), and two equivalent O(4) atoms to form NiO6 octahedra that share  a cornercorner with one Li(2)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra, corners with two equivalent Li(4)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra,  an edgeedge with one Ni(6)O6 octahedra, and edges with two equivalent Ni(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 9-12°. In the fourth Ni site, Ni(4) is bonded to one O(1), one O(10), one O(13), one O(5), one O(7), and one O(9) atom to form NiO6 octahedra that share  a cornercorner with one Li(4)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra, corners with three equivalent Li(2)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(6)O6 octahedra,  an edgeedge with one Ni(8)O6 octahedra,  an edgeedge with one Ni(9)O6 octahedra, and edges with two equivalent Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 6-14°. In the fifth Ni site, Ni(5) is bonded to one O(14), one O(2), one O(3), one O(4), one O(6), and one O(8) atom to form NiO6 octahedra that share  a cornercorner with one Li(1)O6 octahedra,  a cornercorner with one Li(5)O6 octahedra, corners with three equivalent Li(3)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra,  an edgeedge with one Ni(6)O6 octahedra,  an edgeedge with one Ni(7)O6 octahedra,  an edgeedge with one Ni(8)O6 octahedra, and edges with two equivalent Ni(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-12°. In the sixth Ni site, Ni(6) is bonded to one O(11), one O(12), one O(14), one O(3), one O(5), and one O(7) atom to form NiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra, corners with two equivalent Li(5)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra,  an edgeedge with one Ni(5)O6 octahedra,  an edgeedge with one Ni(7)O6 octahedra,  an edgeedge with one Ni(8)O6 octahedra,  an edgeedge with one Ni(9)O6 octahedra, and edges with two equivalent Li(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 6-12°. In the seventh Ni site, Ni(7) is bonded to two equivalent O(11), two equivalent O(14), and two equivalent O(6) atoms to form NiO6 octahedra that share corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Li(4)O6 octahedra, corners with two equivalent Ni(1)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, edges with two equivalent Ni(5)O6 octahedra, edges with two equivalent Ni(6)O6 octahedra, and edges with two equivalent Ni(8)O6 octahedra. The corner-sharing octahedral tilt angles range from 6-15°. In the eighth Ni site, Ni(8) is bonded to one O(11), one O(12), one O(13), one O(6), one O(8), and one O(9) atom to form NiO6 octahedra that share  a cornercorner with one Li(2)O6 octahedra, corners with two equivalent Li(4)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra,  an edgeedge with one Ni(5)O6 octahedra,  an edgeedge with one Ni(6)O6 octahedra,  an edgeedge with one Ni(7)O6 octahedra,  an edgeedge with one Ni(9)O6 octahedra, and edges with two equivalent Li(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 6-14°. In the ninth Ni site, Ni(9) is bonded to two equivalent O(12), two equivalent O(13), and two equivalent O(7) atoms to form NiO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(3)O6 octahedra, corners with two equivalent Li(5)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with two equivalent Ni(4)O6 octahedra, edges with two equivalent Ni(6)O6 octahedra, and edges with two equivalent Ni(8)O6 octahedra. The corner-sharing octahedral tilt angles range from 8-12°. There are fourteen inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Li(2), one Ni(2), one Ni(3), and one Ni(4) atom to form OLi2Ni3 square pyramids that share corners with two equivalent O(13)Li3Ni3 octahedra,  a cornercorner with one O(1)Li2Ni3 square pyramid,  a cornercorner with one O(10)Li2Ni3 square pyramid,  a cornercorner with one O(11)Li2Ni3 square pyramid,  a cornercorner with one O(4)Li2Ni3 square pyramid,  an edgeedge with one O(5)Li3Ni3 octahedra,  an edgeedge with one O(8)Li3Ni3 octahedra,  an edgeedge with one O(10)Li2Ni3 square pyramid,  an edgeedge with one O(4)Li2Ni3 square pyramid,  an edgeedge with one O(2)LiNi4 square pyramid, and edges with two equivalent O(7)Li2Ni3 square pyramids. The corner-sharing octahedral tilt angles are 4°. In the second O site, O(2) is bonded to one Li(3), one Ni(1), one Ni(2), one Ni(3), and one Ni(5) atom to form OLiNi4 square pyramids that share corners with two equivalent O(14)Li3Ni3 octahedra,  a cornercorner with one O(10)Li2Ni3 square pyramid,  a cornercorner with one O(12)Li2Ni3 square pyramid,  a cornercorner with one O(4)Li2Ni3 square pyramid,  a cornercorner with one O(2)LiNi4 square pyramid,  an edgeedge with one O(5)Li3Ni3 octahedra,  an edgeedge with one O(8)Li3Ni3 octahedra,  an edgeedge with one O(1)Li2Ni3 square pyramid,  an edgeedge with one O(10)Li2Ni3 square pyramid,  an edgeedge with one O(4)Li2Ni3 square pyramid, and edges with two equivalent O(6)LiNi4 square pyramids. The corner-sharing octahedral tilt angles range from 1-3°. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Li(1), one Ni(3), one Ni(5), and one Ni(6) atom. In the fourth O site, O(4) is bonded to one Li(2), one Li(4), one Ni(5), and two equivalent Ni(3) atoms to form OLi2Ni3 square pyramids that share corners with two equivalent O(5)Li3Ni3 octahedra,  a cornercorner with one O(1)Li2Ni3 square pyramid,  a cornercorner with one O(11)Li2Ni3 square pyramid,  a cornercorner with one O(12)Li2Ni3 square pyramid,  a cornercorner with one O(7)Li2Ni3 square pyramid,  a cornercorner with one O(2)LiNi4 square pyramid,  a cornercorner with one O(6)LiNi4 square pyramid,  an edgeedge with one O(13)Li3Ni3 octahedra,  an edgeedge with one O(14)Li3Ni3 octahedra,  an edgeedge with one O(5)Li3Ni3 octahedra,  an edgeedge with one O(8)Li3Ni3 octahedra,  an edgeedge with one O(1)Li2Ni3 square pyramid,  an edgeedge with one O(4)Li2Ni3 square pyramid, and  an edgeedge with one O(2)LiNi4 square pyramid. The corner-sharing octahedral tilt angles range from 1-6°. In the fifth O site, O(5) is bonded to one Li(3), two equivalent Li(4), one Ni(3), one Ni(4), and one Ni(6) atom to form OLi3Ni3 octahedra that share  a cornercorner with one O(13)Li3Ni3 octahedra,  a cornercorner with one O(11)Li2Ni3 square pyramid,  a cornercorner with one O(6)LiNi4 square pyramid, corners with two equivalent O(4)Li2Ni3 square pyramids,  an edgeedge with one O(13)Li3Ni3 octahedra,  an edgeedge with one O(5)Li3Ni3 octahedra, edges with two equivalent O(14)Li3Ni3 octahedra,  an edgeedge with one O(1)Li2Ni3 square pyramid,  an edgeedge with one O(10)Li2Ni3 square pyramid,  an edgeedge with one O(4)Li2Ni3 square pyramid,  an edgeedge with one O(7)Li2Ni3 square pyramid,  an edgeedge with one O(2)LiNi4 square pyramid, and edges with two equivalent O(12)Li2Ni3 square pyramids. The corner-sharing octahedral tilt angles are 5°. In the sixth O site, O(6) is bonded to one Li(3), one Ni(1), one Ni(5), one Ni(7), and one Ni(8) atom to form OLiNi4 square pyramids that share  a cornercorner with one O(13)Li3Ni3 octahedra,  a cornercorner with one O(5)Li3Ni3 octahedra,  a cornercorner with one O(10)Li2Ni3 square pyramid,  a cornercorner with one O(11)Li2Ni3 square pyramid,  a cornercorner with one O(4)Li2Ni3 square pyramid, corners with two equivalent O(6)LiNi4 square pyramids,  an edgeedge with one O(8)Li3Ni3 octahedra, edges with two equivalent O(14)Li3Ni3 octahedra,  an edgeedge with one O(11)Li2Ni3 square pyramid,  an edgeedge with one O(12)Li2Ni3 square pyramid, and edges with two equivalent O(2)LiNi4 square pyramids. The corner-sharing octahedral tilt angles range from 3-7°. In the seventh O site, O(7) is bonded to one Li(1), one Li(2), one Ni(4), one Ni(6), and one Ni(9) atom to form OLi2Ni3 square pyramids that share  a cornercorner with one O(14)Li3Ni3 octahedra,  a cornercorner with one O(8)Li3Ni3 octahedra,  a cornercorner with one O(10)Li2Ni3 square pyramid,  a cornercorner with one O(12)Li2Ni3 square pyramid,  a cornercorner with one O(4)Li2Ni3 square pyramid, corners with two equivalent O(7)Li2Ni3 square pyramids,  an edgeedge with one O(5)Li3Ni3 octahedra, edges with two equivalent O(13)Li3Ni3 octahedra,  an edgeedge with one O(11)Li2Ni3 square pyramid,  an edgeedge with one O(12)Li2Ni3 square pyramid, and edges with two equivalent O(1)Li2Ni3 square pyramids. The corner-sharing octahedral tilt angles range from 2-5°. In the eighth O site, O(8) is bonded to one Li(2), two equivalent Li(5), one Ni(2), one Ni(5), and one Ni(8) atom to form OLi3Ni3 octahedra that share  a cornercorner with one O(14)Li3Ni3 octahedra,  a cornercorner with one O(12)Li2Ni3 square pyramid,  a cornercorner with one O(7)Li2Ni3 square pyramid, corners with two equivalent O(10)Li2Ni3 square pyramids,  an edgeedge with one O(14)Li3Ni3 octahedra,  an edgeedge with one O(8)Li3Ni3 octahedra, edges with two equivalent O(13)Li3Ni3 octahedra,  an edgeedge with one O(1)Li2Ni3 square pyramid,  an edgeedge with one O(10)Li2Ni3 square pyramid,  an edgeedge with one O(4)Li2Ni3 square pyramid,  an edgeedge with one O(2)LiNi4 square pyramid,  an edgeedge with one O(6)LiNi4 square pyramid, and edges with two equivalent O(11)Li2Ni3 square pyramids. The corner-sharing octahedral tilt angles are 2°. In the ninth O site, O(9) is bonded in a rectangular see-saw-like geometry to one Ni(1), one Ni(2), one Ni(4), and one Ni(8) atom. In the tenth O site, O(10) is bonded to one Li(3), one Li(5), one Ni(4), and two equivalent Ni(2) atoms to form OLi2Ni3 square pyramids that share corners with two equivalent O(8)Li3Ni3 octahedra,  a cornercorner with one O(1)Li2Ni3 square pyramid,  a cornercorner with one O(11)Li2Ni3 square pyramid,  a cornercorner with one O(12)Li2Ni3 square pyramid,  a cornercorner with one O(7)Li2Ni3 square pyramid,  a cornercorner with one O(2)LiNi4 square pyramid,  a cornercorner with one O(6)LiNi4 square pyramid,  an edgeedge with one O(13)Li3Ni3 octahedra,  an edgeedge with one O(14)Li3Ni3 octahedra,  an edgeedge with one O(5)Li3Ni3 octahedra,  an edgeedge with one O(8)Li3Ni3 octahedra,  an edgeedge with one O(1)Li2Ni3 square pyramid,  an edgeedge with one O(10)Li2Ni3 square pyramid, and  an edgeedge with one O(2)LiNi4 square pyramid. The corner-sharing octahedral tilt angles range from 7-9°. In the eleventh O site, O(11) is bonded to one Li(2), one Li(5), one Ni(6), one Ni(7), and one Ni(8) atom to form OLi2Ni3 square pyramids that share  a cornercorner with one O(13)Li3Ni3 octahedra,  a cornercorner with one O(5)Li3Ni3 octahedra,  a cornercorner with one O(1)Li2Ni3 square pyramid,  a cornercorner with one O(10)Li2Ni3 square pyramid,  a cornercorner with one O(11)Li2Ni3 square pyramid,  a cornercorner with one O(4)Li2Ni3 square pyramid,  a cornercorner with one O(6)LiNi4 square pyramid,  an edgeedge with one O(13)Li3Ni3 octahedra, edges with two equivalent O(14)Li3Ni3 octahedra, edges with two equivalent O(8)Li3Ni3 octahedra,  an edgeedge with one O(12)Li2Ni3 square pyramid,  an edgeedge with one O(7)Li2Ni3 square pyramid, and  an edgeedge with one O(6)LiNi4 square pyramid. The corner-sharing octahedral tilt angles range from 3-4°. In the twelfth O site, O(12) is bonded to one Li(3), one Li(4), one Ni(6), one Ni(8), and one Ni(9) atom to form OLi2Ni3 square pyramids that share  a cornercorner with one O(14)Li3Ni3 octahedra,  a cornercorner with one O(8)Li3Ni3 octahedra,  a cornercorner with one O(10)Li2Ni3 square pyramid,  a cornercorner with one O(12)Li2Ni3 square pyramid,  a cornercorner with one O(4)Li2Ni3 square pyramid,  a cornercorner with one O(7)Li2Ni3 square pyramid,  a cornercorner with one O(2)LiNi4 square pyramid,  an edgeedge with one O(14)Li3Ni3 octahedra, edges with two equivalent O(13)Li3Ni3 octahedra, edges with two equivalent O(5)Li3Ni3 octahedra,  an edgeedge with one O(11)Li2Ni3 square pyramid,  an edgeedge with one O(7)Li2Ni3 square pyramid, and  an edgeedge with one O(6)LiNi4 square pyramid. The corner-sharing octahedral tilt angles range from 6-9°. In the thirteenth O site, O(13) is bonded to one Li(2), one Li(4), one Li(5), one Ni(4), one Ni(8), and one Ni(9) atom to form OLi3Ni3 octahedra that share  a cornercorner with one O(13)Li3Ni3 octahedra,  a cornercorner with one O(5)Li3Ni3 octahedra,  a cornercorner with one O(11)Li2Ni3 square pyramid,  a cornercorner with one O(6)LiNi4 square pyramid, corners with two equivalent O(1)Li2Ni3 square pyramids,  an edgeedge with one O(14)Li3Ni3 octahedra,  an edgeedge with one O(5)Li3Ni3 octahedra, edges with two equivalent O(8)Li3Ni3 octahedra,  an edgeedge with one O(10)Li2Ni3 square pyramid,  an edgeedge with one O(11)Li2Ni3 square pyramid,  an edgeedge with one O(4)Li2Ni3 square pyramid, edges with two equivalent O(12)Li2Ni3 square pyramids, and edges with two equivalent O(7)Li2Ni3 square pyramids. The corner-sharing octahedral tilt angles range from 0-5°. In the fourteenth O site, O(14) is bonded to one Li(3), one Li(4), one Li(5), one Ni(5), one Ni(6), and one Ni(7) atom to form OLi3Ni3 octahedra that share  a cornercorner with one O(14)Li3Ni3 octahedra,  a cornercorner with one O(8)Li3Ni3 octahedra,  a cornercorner with one O(12)Li2Ni3 square pyramid,  a cornercorner with one O(7)Li2Ni3 square pyramid, corners with two equivalent O(2)LiNi4 square pyramids,  an edgeedge with one O(13)Li3Ni3 octahedra,  an edgeedge with one O(8)Li3Ni3 octahedra, edges with two equivalent O(5)Li3Ni3 octahedra,  an edgeedge with one O(10)Li2Ni3 square pyramid,  an edgeedge with one O(12)Li2Ni3 square pyramid,  an edgeedge with one O(4)Li2Ni3 square pyramid, edges with two equivalent O(11)Li2Ni3 square pyramids, and edges with two equivalent O(6)LiNi4 square pyramids. The corner-sharing octahedral tilt angles range from 0-2°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li9Ni15O28
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.223
_cell_length_b   8.576
_cell_length_c   7.559
_cell_angle_alpha   105.705
_cell_angle_beta   75.473
_cell_angle_gamma   75.496
_symmetry_Int_Tables_number   1
_cell_volume   466.905
_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  0.000  0.500  0.500  1.0
  Li  Li1  1  0.272  0.292  0.568  1.0
  Li  Li2  1  0.280  0.793  0.074  1.0
  Li  Li3  1  0.575  0.570  0.149  1.0
  Li  Li4  1  0.579  0.064  0.640  1.0
  Li  Li5  1  0.421  0.936  0.360  1.0
  Li  Li6  1  0.425  0.430  0.851  1.0
  Li  Li7  1  0.720  0.207  0.926  1.0
  Li  Li8  1  0.728  0.708  0.432  1.0
  Ni  Ni9  1  0.000  0.000  0.000  1.0
  Ni  Ni10  1  0.072  0.071  0.643  1.0
  Ni  Ni11  1  0.076  0.568  0.135  1.0
  Ni  Ni12  1  0.209  0.710  0.432  1.0
  Ni  Ni13  1  0.213  0.212  0.929  1.0
  Ni  Ni14  1  0.359  0.354  0.208  1.0
  Ni  Ni15  1  0.500  0.000  0.000  1.0
  Ni  Ni16  1  0.645  0.143  0.286  1.0
  Ni  Ni17  1  0.500  0.500  0.500  1.0
  Ni  Ni18  1  0.354  0.857  0.714  1.0
  Ni  Ni19  1  0.641  0.646  0.792  1.0
  Ni  Ni20  1  0.787  0.788  0.071  1.0
  Ni  Ni21  1  0.791  0.290  0.568  1.0
  Ni  Ni22  1  0.924  0.432  0.865  1.0
  Ni  Ni23  1  0.928  0.929  0.357  1.0
  O  O24  1  0.015  0.290  0.601  1.0
  O  O25  1  0.031  0.796  0.093  1.0
  O  O26  1  0.137  0.350  0.196  1.0
  O  O27  1  0.164  0.417  0.874  1.0
  O  O28  1  0.315  0.550  0.140  1.0
  O  O29  1  0.257  0.003  0.978  1.0
  O  O30  1  0.254  0.495  0.469  1.0
  O  O31  1  0.313  0.082  0.657  1.0
  O  O32  1  0.125  0.871  0.711  1.0
  O  O33  1  0.174  0.916  0.381  1.0
  O  O34  1  0.416  0.153  0.272  1.0
  O  O35  1  0.578  0.369  0.229  1.0
  O  O36  1  0.444  0.707  0.446  1.0
  O  O37  1  0.467  0.205  0.945  1.0
  O  O38  1  0.533  0.795  0.055  1.0
  O  O39  1  0.556  0.293  0.554  1.0
  O  O40  1  0.422  0.631  0.771  1.0
  O  O41  1  0.584  0.847  0.728  1.0
  O  O42  1  0.826  0.084  0.619  1.0
  O  O43  1  0.875  0.129  0.289  1.0
  O  O44  1  0.687  0.918  0.343  1.0
  O  O45  1  0.746  0.505  0.531  1.0
  O  O46  1  0.743  0.997  0.022  1.0
  O  O47  1  0.685  0.450  0.860  1.0
  O  O48  1  0.836  0.583  0.126  1.0
  O  O49  1  0.863  0.650  0.804  1.0
  O  O50  1  0.969  0.204  0.907  1.0
  O  O51  1  0.985  0.710  0.399  1.0
[/CIF]
.
The crystal structure described by Li9Ni15O28 crystallizes in the triclinic P-1 space group. There are five inequivalent Li sites. In the first Li site, Li(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(7) atoms to form LiO6 octahedra that share corners with two equivalent Ni(2)O6 octahedra, corners with two equivalent Ni(5)O6 octahedra, corners with two equivalent Ni(9)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Ni(3)O6 octahedra, edges with two equivalent Ni(4)O6 octahedra, and edges with two equivalent Ni(6)O6 octahedra. The corner-sharing octahedral tilt angles are 12°. In the second Li site, Li(2) is bonded to one O(1), one O(11), one O(13), one O(4), one O(7), and one O(8) atom to form LiO6 octahedra that share  a cornercorner with one Ni(3)O6 octahedra,  a cornercorner with one Ni(7)O6 octahedra,  a cornercorner with one Ni(8)O6 octahedra, corners with three equivalent Ni(4)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(5)O6 octahedra,  an edgeedge with one Ni(6)O6 octahedra,  an edgeedge with one Ni(8)O6 octahedra,  an edgeedge with one Ni(9)O6 octahedra, and edges with two equivalent Li(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 6-15°. In the third Li site, Li(3) is bonded to one O(10), one O(12), one O(14), one O(2), one O(5), and one O(6) atom to form LiO6 octahedra that share  a cornercorner with one Ni(2)O6 octahedra,  a cornercorner with one Ni(6)O6 octahedra,  a cornercorner with one Ni(9)O6 octahedra, corners with three equivalent Ni(5)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra,  an edgeedge with one Ni(6)O6 octahedra,  an edgeedge with one Ni(7)O6 octahedra,  an edgeedge with one Ni(8)O6 octahedra, and edges with two equivalent Li(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 6-12°. In the fourth Li site, Li(4) is bonded to one O(12), one O(13), one O(14), one O(4), and two equivalent O(5) atoms to form LiO6 octahedra that share  a cornercorner with one Ni(4)O6 octahedra,  a cornercorner with one Ni(7)O6 octahedra, corners with two equivalent Ni(3)O6 octahedra, corners with two equivalent Ni(8)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra,  an edgeedge with one Ni(5)O6 octahedra,  an edgeedge with one Ni(9)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, and edges with two equivalent Ni(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 6-14°. In the fifth Li site, Li(5) is bonded to one O(10), one O(11), one O(13), one O(14), and two equivalent O(8) atoms to form LiO6 octahedra that share  a cornercorner with one Ni(5)O6 octahedra,  a cornercorner with one Ni(9)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, corners with two equivalent Ni(6)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra,  an edgeedge with one Ni(5)O6 octahedra,  an edgeedge with one Ni(7)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, and edges with two equivalent Ni(8)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-14°. There are nine inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to two equivalent O(2), two equivalent O(6), and two equivalent O(9) atoms to form NiO6 octahedra that share corners with two equivalent Ni(3)O6 octahedra, corners with two equivalent Ni(4)O6 octahedra, corners with two equivalent Ni(7)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with two equivalent Ni(5)O6 octahedra, and edges with two equivalent Ni(8)O6 octahedra. The corner-sharing octahedral tilt angles range from 10-14°. In the second Ni site, Ni(2) is bonded to one O(1), one O(2), one O(8), one O(9), and two equivalent O(10) atoms to form NiO6 octahedra that share  a cornercorner with one Li(1)O6 octahedra,  a cornercorner with one Li(3)O6 octahedra, corners with two equivalent Li(5)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(5)O6 octahedra,  an edgeedge with one Ni(8)O6 octahedra, and edges with two equivalent Ni(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 7-14°. In the third Ni site, Ni(3) is bonded to one O(1), one O(2), one O(3), one O(5), and two equivalent O(4) atoms to form NiO6 octahedra that share  a cornercorner with one Li(2)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra, corners with two equivalent Li(4)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra,  an edgeedge with one Ni(6)O6 octahedra, and edges with two equivalent Ni(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 9-12°. In the fourth Ni site, Ni(4) is bonded to one O(1), one O(10), one O(13), one O(5), one O(7), and one O(9) atom to form NiO6 octahedra that share  a cornercorner with one Li(4)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra, corners with three equivalent Li(2)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(6)O6 octahedra,  an edgeedge with one Ni(8)O6 octahedra,  an edgeedge with one Ni(9)O6 octahedra, and edges with two equivalent Ni(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 6-14°. In the fifth Ni site, Ni(5) is bonded to one O(14), one O(2), one O(3), one O(4), one O(6), and one O(8) atom to form NiO6 octahedra that share  a cornercorner with one Li(1)O6 octahedra,  a cornercorner with one Li(5)O6 octahedra, corners with three equivalent Li(3)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra,  an edgeedge with one Ni(6)O6 octahedra,  an edgeedge with one Ni(7)O6 octahedra,  an edgeedge with one Ni(8)O6 octahedra, and edges with two equivalent Ni(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-12°. In the sixth Ni site, Ni(6) is bonded to one O(11), one O(12), one O(14), one O(3), one O(5), and one O(7) atom to form NiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra, corners with two equivalent Li(5)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Ni(3)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra,  an edgeedge with one Ni(5)O6 octahedra,  an edgeedge with one Ni(7)O6 octahedra,  an edgeedge with one Ni(8)O6 octahedra,  an edgeedge with one Ni(9)O6 octahedra, and edges with two equivalent Li(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 6-12°. In the seventh Ni site, Ni(7) is bonded to two equivalent O(11), two equivalent O(14), and two equivalent O(6) atoms to form NiO6 octahedra that share corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Li(4)O6 octahedra, corners with two equivalent Ni(1)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, edges with two equivalent Ni(5)O6 octahedra, edges with two equivalent Ni(6)O6 octahedra, and edges with two equivalent Ni(8)O6 octahedra. The corner-sharing octahedral tilt angles range from 6-15°. In the eighth Ni site, Ni(8) is bonded to one O(11), one O(12), one O(13), one O(6), one O(8), and one O(9) atom to form NiO6 octahedra that share  a cornercorner with one Li(2)O6 octahedra, corners with two equivalent Li(4)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Ni(1)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra,  an edgeedge with one Ni(4)O6 octahedra,  an edgeedge with one Ni(5)O6 octahedra,  an edgeedge with one Ni(6)O6 octahedra,  an edgeedge with one Ni(7)O6 octahedra,  an edgeedge with one Ni(9)O6 octahedra, and edges with two equivalent Li(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 6-14°. In the ninth Ni site, Ni(9) is bonded to two equivalent O(12), two equivalent O(13), and two equivalent O(7) atoms to form NiO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(3)O6 octahedra, corners with two equivalent Li(5)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with two equivalent Ni(4)O6 octahedra, edges with two equivalent Ni(6)O6 octahedra, and edges with two equivalent Ni(8)O6 octahedra. The corner-sharing octahedral tilt angles range from 8-12°. There are fourteen inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Li(2), one Ni(2), one Ni(3), and one Ni(4) atom to form OLi2Ni3 square pyramids that share corners with two equivalent O(13)Li3Ni3 octahedra,  a cornercorner with one O(1)Li2Ni3 square pyramid,  a cornercorner with one O(10)Li2Ni3 square pyramid,  a cornercorner with one O(11)Li2Ni3 square pyramid,  a cornercorner with one O(4)Li2Ni3 square pyramid,  an edgeedge with one O(5)Li3Ni3 octahedra,  an edgeedge with one O(8)Li3Ni3 octahedra,  an edgeedge with one O(10)Li2Ni3 square pyramid,  an edgeedge with one O(4)Li2Ni3 square pyramid,  an edgeedge with one O(2)LiNi4 square pyramid, and edges with two equivalent O(7)Li2Ni3 square pyramids. The corner-sharing octahedral tilt angles are 4°. In the second O site, O(2) is bonded to one Li(3), one Ni(1), one Ni(2), one Ni(3), and one Ni(5) atom to form OLiNi4 square pyramids that share corners with two equivalent O(14)Li3Ni3 octahedra,  a cornercorner with one O(10)Li2Ni3 square pyramid,  a cornercorner with one O(12)Li2Ni3 square pyramid,  a cornercorner with one O(4)Li2Ni3 square pyramid,  a cornercorner with one O(2)LiNi4 square pyramid,  an edgeedge with one O(5)Li3Ni3 octahedra,  an edgeedge with one O(8)Li3Ni3 octahedra,  an edgeedge with one O(1)Li2Ni3 square pyramid,  an edgeedge with one O(10)Li2Ni3 square pyramid,  an edgeedge with one O(4)Li2Ni3 square pyramid, and edges with two equivalent O(6)LiNi4 square pyramids. The corner-sharing octahedral tilt angles range from 1-3°. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Li(1), one Ni(3), one Ni(5), and one Ni(6) atom. In the fourth O site, O(4) is bonded to one Li(2), one Li(4), one Ni(5), and two equivalent Ni(3) atoms to form OLi2Ni3 square pyramids that share corners with two equivalent O(5)Li3Ni3 octahedra,  a cornercorner with one O(1)Li2Ni3 square pyramid,  a cornercorner with one O(11)Li2Ni3 square pyramid,  a cornercorner with one O(12)Li2Ni3 square pyramid,  a cornercorner with one O(7)Li2Ni3 square pyramid,  a cornercorner with one O(2)LiNi4 square pyramid,  a cornercorner with one O(6)LiNi4 square pyramid,  an edgeedge with one O(13)Li3Ni3 octahedra,  an edgeedge with one O(14)Li3Ni3 octahedra,  an edgeedge with one O(5)Li3Ni3 octahedra,  an edgeedge with one O(8)Li3Ni3 octahedra,  an edgeedge with one O(1)Li2Ni3 square pyramid,  an edgeedge with one O(4)Li2Ni3 square pyramid, and  an edgeedge with one O(2)LiNi4 square pyramid. The corner-sharing octahedral tilt angles range from 1-6°. In the fifth O site, O(5) is bonded to one Li(3), two equivalent Li(4), one Ni(3), one Ni(4), and one Ni(6) atom to form OLi3Ni3 octahedra that share  a cornercorner with one O(13)Li3Ni3 octahedra,  a cornercorner with one O(11)Li2Ni3 square pyramid,  a cornercorner with one O(6)LiNi4 square pyramid, corners with two equivalent O(4)Li2Ni3 square pyramids,  an edgeedge with one O(13)Li3Ni3 octahedra,  an edgeedge with one O(5)Li3Ni3 octahedra, edges with two equivalent O(14)Li3Ni3 octahedra,  an edgeedge with one O(1)Li2Ni3 square pyramid,  an edgeedge with one O(10)Li2Ni3 square pyramid,  an edgeedge with one O(4)Li2Ni3 square pyramid,  an edgeedge with one O(7)Li2Ni3 square pyramid,  an edgeedge with one O(2)LiNi4 square pyramid, and edges with two equivalent O(12)Li2Ni3 square pyramids. The corner-sharing octahedral tilt angles are 5°. In the sixth O site, O(6) is bonded to one Li(3), one Ni(1), one Ni(5), one Ni(7), and one Ni(8) atom to form OLiNi4 square pyramids that share  a cornercorner with one O(13)Li3Ni3 octahedra,  a cornercorner with one O(5)Li3Ni3 octahedra,  a cornercorner with one O(10)Li2Ni3 square pyramid,  a cornercorner with one O(11)Li2Ni3 square pyramid,  a cornercorner with one O(4)Li2Ni3 square pyramid, corners with two equivalent O(6)LiNi4 square pyramids,  an edgeedge with one O(8)Li3Ni3 octahedra, edges with two equivalent O(14)Li3Ni3 octahedra,  an edgeedge with one O(11)Li2Ni3 square pyramid,  an edgeedge with one O(12)Li2Ni3 square pyramid, and edges with two equivalent O(2)LiNi4 square pyramids. The corner-sharing octahedral tilt angles range from 3-7°. In the seventh O site, O(7) is bonded to one Li(1), one Li(2), one Ni(4), one Ni(6), and one Ni(9) atom to form OLi2Ni3 square pyramids that share  a cornercorner with one O(14)Li3Ni3 octahedra,  a cornercorner with one O(8)Li3Ni3 octahedra,  a cornercorner with one O(10)Li2Ni3 square pyramid,  a cornercorner with one O(12)Li2Ni3 square pyramid,  a cornercorner with one O(4)Li2Ni3 square pyramid, corners with two equivalent O(7)Li2Ni3 square pyramids,  an edgeedge with one O(5)Li3Ni3 octahedra, edges with two equivalent O(13)Li3Ni3 octahedra,  an edgeedge with one O(11)Li2Ni3 square pyramid,  an edgeedge with one O(12)Li2Ni3 square pyramid, and edges with two equivalent O(1)Li2Ni3 square pyramids. The corner-sharing octahedral tilt angles range from 2-5°. In the eighth O site, O(8) is bonded to one Li(2), two equivalent Li(5), one Ni(2), one Ni(5), and one Ni(8) atom to form OLi3Ni3 octahedra that share  a cornercorner with one O(14)Li3Ni3 octahedra,  a cornercorner with one O(12)Li2Ni3 square pyramid,  a cornercorner with one O(7)Li2Ni3 square pyramid, corners with two equivalent O(10)Li2Ni3 square pyramids,  an edgeedge with one O(14)Li3Ni3 octahedra,  an edgeedge with one O(8)Li3Ni3 octahedra, edges with two equivalent O(13)Li3Ni3 octahedra,  an edgeedge with one O(1)Li2Ni3 square pyramid,  an edgeedge with one O(10)Li2Ni3 square pyramid,  an edgeedge with one O(4)Li2Ni3 square pyramid,  an edgeedge with one O(2)LiNi4 square pyramid,  an edgeedge with one O(6)LiNi4 square pyramid, and edges with two equivalent O(11)Li2Ni3 square pyramids. The corner-sharing octahedral tilt angles are 2°. In the ninth O site, O(9) is bonded in a rectangular see-saw-like geometry to one Ni(1), one Ni(2), one Ni(4), and one Ni(8) atom. In the tenth O site, O(10) is bonded to one Li(3), one Li(5), one Ni(4), and two equivalent Ni(2) atoms to form OLi2Ni3 square pyramids that share corners with two equivalent O(8)Li3Ni3 octahedra,  a cornercorner with one O(1)Li2Ni3 square pyramid,  a cornercorner with one O(11)Li2Ni3 square pyramid,  a cornercorner with one O(12)Li2Ni3 square pyramid,  a cornercorner with one O(7)Li2Ni3 square pyramid,  a cornercorner with one O(2)LiNi4 square pyramid,  a cornercorner with one O(6)LiNi4 square pyramid,  an edgeedge with one O(13)Li3Ni3 octahedra,  an edgeedge with one O(14)Li3Ni3 octahedra,  an edgeedge with one O(5)Li3Ni3 octahedra,  an edgeedge with one O(8)Li3Ni3 octahedra,  an edgeedge with one O(1)Li2Ni3 square pyramid,  an edgeedge with one O(10)Li2Ni3 square pyramid, and  an edgeedge with one O(2)LiNi4 square pyramid. The corner-sharing octahedral tilt angles range from 7-9°. In the eleventh O site, O(11) is bonded to one Li(2), one Li(5), one Ni(6), one Ni(7), and one Ni(8) atom to form OLi2Ni3 square pyramids that share  a cornercorner with one O(13)Li3Ni3 octahedra,  a cornercorner with one O(5)Li3Ni3 octahedra,  a cornercorner with one O(1)Li2Ni3 square pyramid,  a cornercorner with one O(10)Li2Ni3 square pyramid,  a cornercorner with one O(11)Li2Ni3 square pyramid,  a cornercorner with one O(4)Li2Ni3 square pyramid,  a cornercorner with one O(6)LiNi4 square pyramid,  an edgeedge with one O(13)Li3Ni3 octahedra, edges with two equivalent O(14)Li3Ni3 octahedra, edges with two equivalent O(8)Li3Ni3 octahedra,  an edgeedge with one O(12)Li2Ni3 square pyramid,  an edgeedge with one O(7)Li2Ni3 square pyramid, and  an edgeedge with one O(6)LiNi4 square pyramid. The corner-sharing octahedral tilt angles range from 3-4°. In the twelfth O site, O(12) is bonded to one Li(3), one Li(4), one Ni(6), one Ni(8), and one Ni(9) atom to form OLi2Ni3 square pyramids that share  a cornercorner with one O(14)Li3Ni3 octahedra,  a cornercorner with one O(8)Li3Ni3 octahedra,  a cornercorner with one O(10)Li2Ni3 square pyramid,  a cornercorner with one O(12)Li2Ni3 square pyramid,  a cornercorner with one O(4)Li2Ni3 square pyramid,  a cornercorner with one O(7)Li2Ni3 square pyramid,  a cornercorner with one O(2)LiNi4 square pyramid,  an edgeedge with one O(14)Li3Ni3 octahedra, edges with two equivalent O(13)Li3Ni3 octahedra, edges with two equivalent O(5)Li3Ni3 octahedra,  an edgeedge with one O(11)Li2Ni3 square pyramid,  an edgeedge with one O(7)Li2Ni3 square pyramid, and  an edgeedge with one O(6)LiNi4 square pyramid. The corner-sharing octahedral tilt angles range from 6-9°. In the thirteenth O site, O(13) is bonded to one Li(2), one Li(4), one Li(5), one Ni(4), one Ni(8), and one Ni(9) atom to form OLi3Ni3 octahedra that share  a cornercorner with one O(13)Li3Ni3 octahedra,  a cornercorner with one O(5)Li3Ni3 octahedra,  a cornercorner with one O(11)Li2Ni3 square pyramid,  a cornercorner with one O(6)LiNi4 square pyramid, corners with two equivalent O(1)Li2Ni3 square pyramids,  an edgeedge with one O(14)Li3Ni3 octahedra,  an edgeedge with one O(5)Li3Ni3 octahedra, edges with two equivalent O(8)Li3Ni3 octahedra,  an edgeedge with one O(10)Li2Ni3 square pyramid,  an edgeedge with one O(11)Li2Ni3 square pyramid,  an edgeedge with one O(4)Li2Ni3 square pyramid, edges with two equivalent O(12)Li2Ni3 square pyramids, and edges with two equivalent O(7)Li2Ni3 square pyramids. The corner-sharing octahedral tilt angles range from 0-5°. In the fourteenth O site, O(14) is bonded to one Li(3), one Li(4), one Li(5), one Ni(5), one Ni(6), and one Ni(7) atom to form OLi3Ni3 octahedra that share  a cornercorner with one O(14)Li3Ni3 octahedra,  a cornercorner with one O(8)Li3Ni3 octahedra,  a cornercorner with one O(12)Li2Ni3 square pyramid,  a cornercorner with one O(7)Li2Ni3 square pyramid, corners with two equivalent O(2)LiNi4 square pyramids,  an edgeedge with one O(13)Li3Ni3 octahedra,  an edgeedge with one O(8)Li3Ni3 octahedra, edges with two equivalent O(5)Li3Ni3 octahedra,  an edgeedge with one O(10)Li2Ni3 square pyramid,  an edgeedge with one O(12)Li2Ni3 square pyramid,  an edgeedge with one O(4)Li2Ni3 square pyramid, edges with two equivalent O(11)Li2Ni3 square pyramids, and edges with two equivalent O(6)LiNi4 square pyramids. The corner-sharing octahedral tilt angles range from 0-2°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li9Ni15O28
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.223
_cell_length_b   8.576
_cell_length_c   7.559
_cell_angle_alpha   105.705
_cell_angle_beta   75.473
_cell_angle_gamma   75.496
_symmetry_Int_Tables_number   1
_cell_volume   466.905
_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  0.000  0.500  0.500  1.0
  Li  Li1  1  0.272  0.292  0.568  1.0
  Li  Li2  1  0.280  0.793  0.074  1.0
  Li  Li3  1  0.575  0.570  0.149  1.0
  Li  Li4  1  0.579  0.064  0.640  1.0
  Li  Li5  1  0.421  0.936  0.360  1.0
  Li  Li6  1  0.425  0.430  0.851  1.0
  Li  Li7  1  0.720  0.207  0.926  1.0
  Li  Li8  1  0.728  0.708  0.432  1.0
  Ni  Ni9  1  0.000  0.000  0.000  1.0
  Ni  Ni10  1  0.072  0.071  0.643  1.0
  Ni  Ni11  1  0.076  0.568  0.135  1.0
  Ni  Ni12  1  0.209  0.710  0.432  1.0
  Ni  Ni13  1  0.213  0.212  0.929  1.0
  Ni  Ni14  1  0.359  0.354  0.208  1.0
  Ni  Ni15  1  0.500  0.000  0.000  1.0
  Ni  Ni16  1  0.645  0.143  0.286  1.0
  Ni  Ni17  1  0.500  0.500  0.500  1.0
  Ni  Ni18  1  0.354  0.857  0.714  1.0
  Ni  Ni19  1  0.641  0.646  0.792  1.0
  Ni  Ni20  1  0.787  0.788  0.071  1.0
  Ni  Ni21  1  0.791  0.290  0.568  1.0
  Ni  Ni22  1  0.924  0.432  0.865  1.0
  Ni  Ni23  1  0.928  0.929  0.357  1.0
  O  O24  1  0.015  0.290  0.601  1.0
  O  O25  1  0.031  0.796  0.093  1.0
  O  O26  1  0.137  0.350  0.196  1.0
  O  O27  1  0.164  0.417  0.874  1.0
  O  O28  1  0.315  0.550  0.140  1.0
  O  O29  1  0.257  0.003  0.978  1.0
  O  O30  1  0.254  0.495  0.469  1.0
  O  O31  1  0.313  0.082  0.657  1.0
  O  O32  1  0.125  0.871  0.711  1.0
  O  O33  1  0.174  0.916  0.381  1.0
  O  O34  1  0.416  0.153  0.272  1.0
  O  O35  1  0.578  0.369  0.229  1.0
  O  O36  1  0.444  0.707  0.446  1.0
  O  O37  1  0.467  0.205  0.945  1.0
  O  O38  1  0.533  0.795  0.055  1.0
  O  O39  1  0.556  0.293  0.554  1.0
  O  O40  1  0.422  0.631  0.771  1.0
  O  O41  1  0.584  0.847  0.728  1.0
  O  O42  1  0.826  0.084  0.619  1.0
  O  O43  1  0.875  0.129  0.289  1.0
  O  O44  1  0.687  0.918  0.343  1.0
  O  O45  1  0.746  0.505  0.531  1.0
  O  O46  1  0.743  0.997  0.022  1.0
  O  O47  1  0.685  0.450  0.860  1.0
  O  O48  1  0.836  0.583  0.126  1.0
  O  O49  1  0.863  0.650  0.804  1.0
  O  O50  1  0.969  0.204  0.907  1.0
  O  O51  1  0.985  0.710  0.399  1.0
[/CIF]
.