The material described by Li3Fe2Co3O10 crystallizes in the monoclinic Pm space group. There are six inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(11), one O(16), two equivalent O(1), and two equivalent O(8) atoms to form LiO6 octahedra that share corners with three equivalent Fe(2)O6 octahedra, corners with three equivalent Co(6)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra,  an edgeedge with one Co(6)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, and edges with four equivalent Co(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 11-13°. In the second Li site, Li(2) is bonded to one O(15), one O(19), two equivalent O(12), and two equivalent O(4) atoms to form distorted LiO6 octahedra that share corners with three equivalent Fe(4)O6 octahedra, corners with three equivalent Co(3)O6 octahedra,  an edgeedge with one Fe(4)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, and edges with four equivalent Fe(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-12°. In the third Li site, Li(3) is bonded in a 6-coordinate geometry to one O(17), one O(3), two equivalent O(14), and two equivalent O(6) atoms. In the fourth Li site, Li(4) is bonded in a 5-coordinate geometry to one O(2), two equivalent O(17), and two equivalent O(9) atoms. In the fifth Li site, Li(5) is bonded in a 5-coordinate geometry to one O(7), two equivalent O(10), and two equivalent O(18) atoms. In the sixth Li site, Li(6) is bonded to one O(10), one O(5), two equivalent O(13), and two equivalent O(20) atoms to form distorted LiO6 octahedra that share corners with three equivalent Fe(1)O6 octahedra, corners with three equivalent Fe(2)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra, edges with two equivalent Li(6)O6 octahedra, and edges with four equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-17°. There are four inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(10), one O(18), two equivalent O(20), and two equivalent O(7) atoms to form FeO6 octahedra that share corners with three equivalent Li(6)O6 octahedra,  an edgeedge with one Li(6)O6 octahedra, edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Fe(4)O6 octahedra, and edges with two equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-10°. In the second Fe site, Fe(2) is bonded to one O(16), one O(5), two equivalent O(13), and two equivalent O(8) atoms to form FeO6 octahedra that share corners with three equivalent Li(1)O6 octahedra, corners with three equivalent Li(6)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(6)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, edges with two equivalent Co(4)O6 octahedra, and edges with two equivalent Co(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 11-17°. In the third Fe site, Fe(3) is bonded to one O(12), one O(4), two equivalent O(15), and two equivalent O(19) atoms to form FeO6 octahedra that share edges with two equivalent Fe(3)O6 octahedra, edges with two equivalent Fe(4)O6 octahedra, edges with two equivalent Co(3)O6 octahedra, and edges with four equivalent Li(2)O6 octahedra. In the fourth Fe site, Fe(4) is bonded to one O(15), one O(7), two equivalent O(18), and two equivalent O(4) atoms to form FeO6 octahedra that share corners with three equivalent Li(2)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra, edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Fe(3)O6 octahedra, and edges with two equivalent Fe(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 11-12°. There are six inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(14), one O(6), two equivalent O(17), and two equivalent O(3) atoms to form edge-sharing CoO6 octahedra. In the second Co site, Co(2) is bonded to one O(17), one O(9), two equivalent O(2), and two equivalent O(6) atoms to form edge-sharing CoO6 octahedra. In the third Co site, Co(3) is bonded to one O(19), one O(2), two equivalent O(12), and two equivalent O(9) atoms to form CoO6 octahedra that share corners with three equivalent Li(2)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra, edges with two equivalent Fe(3)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, and edges with two equivalent Co(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-9°. In the fourth Co site, Co(4) is bonded to one O(13), one O(20), two equivalent O(10), and two equivalent O(5) atoms to form CoO6 octahedra that share edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, edges with two equivalent Co(4)O6 octahedra, and edges with four equivalent Li(6)O6 octahedra. In the fifth Co site, Co(5) is bonded to one O(1), one O(8), two equivalent O(11), and two equivalent O(16) atoms to form CoO6 octahedra that share edges with two equivalent Fe(2)O6 octahedra, edges with two equivalent Co(5)O6 octahedra, edges with two equivalent Co(6)O6 octahedra, and edges with four equivalent Li(1)O6 octahedra. In the sixth Co site, Co(6) is bonded to one O(11), one O(3), two equivalent O(1), and two equivalent O(14) atoms to form CoO6 octahedra that share corners with three equivalent Li(1)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, edges with two equivalent Co(5)O6 octahedra, and edges with two equivalent Co(6)O6 octahedra. The corner-sharing octahedral tilt angles are 12°. There are twenty inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Li(1), one Co(5), and two equivalent Co(6) atoms to form OLi2Co3 square pyramids that share corners with two equivalent O(14)Li2Co3 square pyramids, corners with three equivalent O(8)Li2Fe2Co square pyramids,  an edgeedge with one O(14)Li2Co3 square pyramid,  an edgeedge with one O(8)Li2Fe2Co square pyramid, and edges with two equivalent O(1)Li2Co3 square pyramids. In the second O site, O(2) is bonded to one Li(4), one Co(3), and two equivalent Co(2) atoms to form OLiCo3 trigonal pyramids that share corners with two equivalent O(6)Li2Co3 square pyramids, corners with two equivalent O(9)Li2Co3 square pyramids, corners with two equivalent O(12)Li2FeCo2 square pyramids, corners with two equivalent O(2)LiCo3 trigonal pyramids, edges with two equivalent O(17)Li3Co3 octahedra,  an edgeedge with one O(6)Li2Co3 square pyramid, and edges with two equivalent O(9)Li2Co3 square pyramids. In the third O site, O(3) is bonded in a see-saw-like geometry to one Li(3), one Co(6), and two equivalent Co(1) atoms. In the fourth O site, O(4) is bonded to two equivalent Li(2), one Fe(3), and two equivalent Fe(4) atoms to form OLi2Fe3 square pyramids that share corners with two equivalent O(18)Li2Fe3 square pyramids, corners with three equivalent O(12)Li2FeCo2 square pyramids,  an edgeedge with one O(18)Li2Fe3 square pyramid,  an edgeedge with one O(12)Li2FeCo2 square pyramid, and edges with two equivalent O(4)Li2Fe3 square pyramids. In the fifth O site, O(5) is bonded in a see-saw-like geometry to one Li(6), one Fe(2), and two equivalent Co(4) atoms. In the sixth O site, O(6) is bonded to two equivalent Li(3), one Co(1), and two equivalent Co(2) atoms to form distorted OLi2Co3 square pyramids that share corners with two equivalent O(17)Li3Co3 octahedra, corners with two equivalent O(9)Li2Co3 square pyramids, corners with three equivalent O(14)Li2Co3 square pyramids, corners with two equivalent O(2)LiCo3 trigonal pyramids, edges with two equivalent O(17)Li3Co3 octahedra,  an edgeedge with one O(14)Li2Co3 square pyramid, edges with two equivalent O(6)Li2Co3 square pyramids, and  an edgeedge with one O(2)LiCo3 trigonal pyramid. The corner-sharing octahedral tilt angles are 90°. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Li(5), one Fe(4), and two equivalent Fe(1) atoms. In the eighth O site, O(8) is bonded to two equivalent Li(1), two equivalent Fe(2), and one Co(5) atom to form OLi2Fe2Co square pyramids that share corners with two equivalent O(13)Li2Fe2Co square pyramids, corners with three equivalent O(1)Li2Co3 square pyramids,  an edgeedge with one O(1)Li2Co3 square pyramid,  an edgeedge with one O(13)Li2Fe2Co square pyramid, and edges with two equivalent O(8)Li2Fe2Co square pyramids. In the ninth O site, O(9) is bonded to two equivalent Li(4), one Co(2), and two equivalent Co(3) atoms to form OLi2Co3 square pyramids that share corners with three equivalent O(17)Li3Co3 octahedra, corners with two equivalent O(6)Li2Co3 square pyramids, corners with two equivalent O(12)Li2FeCo2 square pyramids, corners with two equivalent O(2)LiCo3 trigonal pyramids,  an edgeedge with one O(17)Li3Co3 octahedra,  an edgeedge with one O(12)Li2FeCo2 square pyramid, edges with two equivalent O(9)Li2Co3 square pyramids, and edges with two equivalent O(2)LiCo3 trigonal pyramids. The corner-sharing octahedral tilt angles range from 4-21°. In the tenth O site, O(10) is bonded to one Li(6), two equivalent Li(5), one Fe(1), and two equivalent Co(4) atoms to form OLi3FeCo2 octahedra that share corners with two equivalent O(20)Li2Fe2Co square pyramids, corners with three equivalent O(18)Li2Fe3 square pyramids, edges with two equivalent O(10)Li3FeCo2 octahedra,  an edgeedge with one O(18)Li2Fe3 square pyramid, edges with two equivalent O(13)Li2Fe2Co square pyramids, and edges with two equivalent O(20)Li2Fe2Co square pyramids. In the eleventh O site, O(11) is bonded in a rectangular see-saw-like geometry to one Li(1), one Co(6), and two equivalent Co(5) atoms. In the twelfth O site, O(12) is bonded to two equivalent Li(2), one Fe(3), and two equivalent Co(3) atoms to form OLi2FeCo2 square pyramids that share corners with two equivalent O(9)Li2Co3 square pyramids, corners with three equivalent O(4)Li2Fe3 square pyramids, corners with two equivalent O(2)LiCo3 trigonal pyramids,  an edgeedge with one O(9)Li2Co3 square pyramid,  an edgeedge with one O(4)Li2Fe3 square pyramid, and edges with two equivalent O(12)Li2FeCo2 square pyramids. In the thirteenth O site, O(13) is bonded to two equivalent Li(6), two equivalent Fe(2), and one Co(4) atom to form OLi2Fe2Co square pyramids that share corners with two equivalent O(8)Li2Fe2Co square pyramids, corners with three equivalent O(20)Li2Fe2Co square pyramids, edges with two equivalent O(10)Li3FeCo2 octahedra,  an edgeedge with one O(20)Li2Fe2Co square pyramid,  an edgeedge with one O(8)Li2Fe2Co square pyramid, and edges with two equivalent O(13)Li2Fe2Co square pyramids. In the fourteenth O site, O(14) is bonded to two equivalent Li(3), one Co(1), and two equivalent Co(6) atoms to form OLi2Co3 square pyramids that share corners with two equivalent O(1)Li2Co3 square pyramids, corners with three equivalent O(6)Li2Co3 square pyramids, edges with two equivalent O(17)Li3Co3 octahedra,  an edgeedge with one O(1)Li2Co3 square pyramid,  an edgeedge with one O(6)Li2Co3 square pyramid, and edges with two equivalent O(14)Li2Co3 square pyramids. In the fifteenth O site, O(15) is bonded in a rectangular see-saw-like geometry to one Li(2), one Fe(4), and two equivalent Fe(3) atoms. In the sixteenth O site, O(16) is bonded in a rectangular see-saw-like geometry to one Li(1), one Fe(2), and two equivalent Co(5) atoms. In the seventeenth O site, O(17) is bonded to one Li(3), two equivalent Li(4), one Co(2), and two equivalent Co(1) atoms to form distorted OLi3Co3 octahedra that share corners with two equivalent O(6)Li2Co3 square pyramids, corners with three equivalent O(9)Li2Co3 square pyramids, edges with two equivalent O(17)Li3Co3 octahedra,  an edgeedge with one O(9)Li2Co3 square pyramid, edges with two equivalent O(14)Li2Co3 square pyramids, edges with two equivalent O(6)Li2Co3 square pyramids, and edges with two equivalent O(2)LiCo3 trigonal pyramids. In the eighteenth O site, O(18) is bonded to two equivalent Li(5), one Fe(1), and two equivalent Fe(4) atoms to form OLi2Fe3 square pyramids that share corners with three equivalent O(10)Li3FeCo2 octahedra, corners with two equivalent O(20)Li2Fe2Co square pyramids, corners with two equivalent O(4)Li2Fe3 square pyramids,  an edgeedge with one O(10)Li3FeCo2 octahedra,  an edgeedge with one O(4)Li2Fe3 square pyramid, and edges with two equivalent O(18)Li2Fe3 square pyramids. The corner-sharing octahedral tilt angles range from 1-21°. In the nineteenth O site, O(19) is bonded in a distorted see-saw-like geometry to one Li(2), two equivalent Fe(3), and one Co(3) atom. In the twentieth O site, O(20) is bonded to two equivalent Li(6), two equivalent Fe(1), and one Co(4) atom to form OLi2Fe2Co square pyramids that share corners with two equivalent O(10)Li3FeCo2 octahedra, corners with two equivalent O(18)Li2Fe3 square pyramids, corners with three equivalent O(13)Li2Fe2Co square pyramids, edges with two equivalent O(10)Li3FeCo2 octahedra,  an edgeedge with one O(13)Li2Fe2Co square pyramid, and edges with two equivalent O(20)Li2Fe2Co square pyramids. The corner-sharing octahedral tilt angles are 86°. is represented by the CIF file [CIF]
data_Li3Fe2Co3O10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.877
_cell_length_b   5.258
_cell_length_c   23.339
_cell_angle_alpha   86.061
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   352.179
_cell_formula_units_Z   2
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  0.802  0.604  1.0
  Li  Li1  1  0.500  0.794  0.101  1.0
  Li  Li2  1  0.000  0.436  0.788  1.0
  Li  Li3  1  0.500  0.160  0.913  1.0
  Li  Li4  1  0.500  0.429  0.287  1.0
  Li  Li5  1  0.000  0.169  0.411  1.0
  Fe  Fe6  1  0.000  0.903  0.301  1.0
  Fe  Fe7  1  0.000  0.499  0.504  1.0
  Fe  Fe8  1  0.000  0.306  0.096  1.0
  Fe  Fe9  1  0.500  0.092  0.198  1.0
  Co  Co10  1  0.500  0.908  0.800  1.0
  Co  Co11  1  0.000  0.694  0.896  1.0
  Co  Co12  1  0.500  0.511  0.995  1.0
  Co  Co13  1  0.500  0.688  0.402  1.0
  Co  Co14  1  0.500  0.297  0.604  1.0
  Co  Co15  1  0.000  0.103  0.702  1.0
  O  O16  1  0.500  0.999  0.653  1.0
  O  O17  1  0.500  0.794  0.943  1.0
  O  O18  1  0.000  0.809  0.755  1.0
  O  O19  1  0.000  0.979  0.145  1.0
  O  O20  1  0.000  0.805  0.446  1.0
  O  O21  1  0.500  0.595  0.846  1.0
  O  O22  1  0.500  0.780  0.254  1.0
  O  O23  1  0.500  0.607  0.558  1.0
  O  O24  1  0.000  0.394  0.947  1.0
  O  O25  1  0.000  0.570  0.356  1.0
  O  O26  1  0.000  0.401  0.650  1.0
  O  O27  1  0.000  0.629  0.040  1.0
  O  O28  1  0.500  0.384  0.450  1.0
  O  O29  1  0.500  0.209  0.751  1.0
  O  O30  1  0.500  0.425  0.142  1.0
  O  O31  1  0.000  0.183  0.559  1.0
  O  O32  1  0.000  0.010  0.849  1.0
  O  O33  1  0.000  0.222  0.251  1.0
  O  O34  1  0.500  0.215  0.043  1.0
  O  O35  1  0.500  0.001  0.358  1.0
[/CIF]
.
The material described by Li3Fe2Co3O10 crystallizes in the monoclinic Pm space group. There are six inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(11), one O(16), two equivalent O(1), and two equivalent O(8) atoms to form LiO6 octahedra that share corners with three equivalent Fe(2)O6 octahedra, corners with three equivalent Co(6)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra,  an edgeedge with one Co(6)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, and edges with four equivalent Co(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 11-13°. In the second Li site, Li(2) is bonded to one O(15), one O(19), two equivalent O(12), and two equivalent O(4) atoms to form distorted LiO6 octahedra that share corners with three equivalent Fe(4)O6 octahedra, corners with three equivalent Co(3)O6 octahedra,  an edgeedge with one Fe(4)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, and edges with four equivalent Fe(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-12°. In the third Li site, Li(3) is bonded in a 6-coordinate geometry to one O(17), one O(3), two equivalent O(14), and two equivalent O(6) atoms. In the fourth Li site, Li(4) is bonded in a 5-coordinate geometry to one O(2), two equivalent O(17), and two equivalent O(9) atoms. In the fifth Li site, Li(5) is bonded in a 5-coordinate geometry to one O(7), two equivalent O(10), and two equivalent O(18) atoms. In the sixth Li site, Li(6) is bonded to one O(10), one O(5), two equivalent O(13), and two equivalent O(20) atoms to form distorted LiO6 octahedra that share corners with three equivalent Fe(1)O6 octahedra, corners with three equivalent Fe(2)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra, edges with two equivalent Li(6)O6 octahedra, and edges with four equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-17°. There are four inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(10), one O(18), two equivalent O(20), and two equivalent O(7) atoms to form FeO6 octahedra that share corners with three equivalent Li(6)O6 octahedra,  an edgeedge with one Li(6)O6 octahedra, edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Fe(4)O6 octahedra, and edges with two equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-10°. In the second Fe site, Fe(2) is bonded to one O(16), one O(5), two equivalent O(13), and two equivalent O(8) atoms to form FeO6 octahedra that share corners with three equivalent Li(1)O6 octahedra, corners with three equivalent Li(6)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(6)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, edges with two equivalent Co(4)O6 octahedra, and edges with two equivalent Co(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 11-17°. In the third Fe site, Fe(3) is bonded to one O(12), one O(4), two equivalent O(15), and two equivalent O(19) atoms to form FeO6 octahedra that share edges with two equivalent Fe(3)O6 octahedra, edges with two equivalent Fe(4)O6 octahedra, edges with two equivalent Co(3)O6 octahedra, and edges with four equivalent Li(2)O6 octahedra. In the fourth Fe site, Fe(4) is bonded to one O(15), one O(7), two equivalent O(18), and two equivalent O(4) atoms to form FeO6 octahedra that share corners with three equivalent Li(2)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra, edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Fe(3)O6 octahedra, and edges with two equivalent Fe(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 11-12°. There are six inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(14), one O(6), two equivalent O(17), and two equivalent O(3) atoms to form edge-sharing CoO6 octahedra. In the second Co site, Co(2) is bonded to one O(17), one O(9), two equivalent O(2), and two equivalent O(6) atoms to form edge-sharing CoO6 octahedra. In the third Co site, Co(3) is bonded to one O(19), one O(2), two equivalent O(12), and two equivalent O(9) atoms to form CoO6 octahedra that share corners with three equivalent Li(2)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra, edges with two equivalent Fe(3)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, and edges with two equivalent Co(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-9°. In the fourth Co site, Co(4) is bonded to one O(13), one O(20), two equivalent O(10), and two equivalent O(5) atoms to form CoO6 octahedra that share edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, edges with two equivalent Co(4)O6 octahedra, and edges with four equivalent Li(6)O6 octahedra. In the fifth Co site, Co(5) is bonded to one O(1), one O(8), two equivalent O(11), and two equivalent O(16) atoms to form CoO6 octahedra that share edges with two equivalent Fe(2)O6 octahedra, edges with two equivalent Co(5)O6 octahedra, edges with two equivalent Co(6)O6 octahedra, and edges with four equivalent Li(1)O6 octahedra. In the sixth Co site, Co(6) is bonded to one O(11), one O(3), two equivalent O(1), and two equivalent O(14) atoms to form CoO6 octahedra that share corners with three equivalent Li(1)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, edges with two equivalent Co(5)O6 octahedra, and edges with two equivalent Co(6)O6 octahedra. The corner-sharing octahedral tilt angles are 12°. There are twenty inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Li(1), one Co(5), and two equivalent Co(6) atoms to form OLi2Co3 square pyramids that share corners with two equivalent O(14)Li2Co3 square pyramids, corners with three equivalent O(8)Li2Fe2Co square pyramids,  an edgeedge with one O(14)Li2Co3 square pyramid,  an edgeedge with one O(8)Li2Fe2Co square pyramid, and edges with two equivalent O(1)Li2Co3 square pyramids. In the second O site, O(2) is bonded to one Li(4), one Co(3), and two equivalent Co(2) atoms to form OLiCo3 trigonal pyramids that share corners with two equivalent O(6)Li2Co3 square pyramids, corners with two equivalent O(9)Li2Co3 square pyramids, corners with two equivalent O(12)Li2FeCo2 square pyramids, corners with two equivalent O(2)LiCo3 trigonal pyramids, edges with two equivalent O(17)Li3Co3 octahedra,  an edgeedge with one O(6)Li2Co3 square pyramid, and edges with two equivalent O(9)Li2Co3 square pyramids. In the third O site, O(3) is bonded in a see-saw-like geometry to one Li(3), one Co(6), and two equivalent Co(1) atoms. In the fourth O site, O(4) is bonded to two equivalent Li(2), one Fe(3), and two equivalent Fe(4) atoms to form OLi2Fe3 square pyramids that share corners with two equivalent O(18)Li2Fe3 square pyramids, corners with three equivalent O(12)Li2FeCo2 square pyramids,  an edgeedge with one O(18)Li2Fe3 square pyramid,  an edgeedge with one O(12)Li2FeCo2 square pyramid, and edges with two equivalent O(4)Li2Fe3 square pyramids. In the fifth O site, O(5) is bonded in a see-saw-like geometry to one Li(6), one Fe(2), and two equivalent Co(4) atoms. In the sixth O site, O(6) is bonded to two equivalent Li(3), one Co(1), and two equivalent Co(2) atoms to form distorted OLi2Co3 square pyramids that share corners with two equivalent O(17)Li3Co3 octahedra, corners with two equivalent O(9)Li2Co3 square pyramids, corners with three equivalent O(14)Li2Co3 square pyramids, corners with two equivalent O(2)LiCo3 trigonal pyramids, edges with two equivalent O(17)Li3Co3 octahedra,  an edgeedge with one O(14)Li2Co3 square pyramid, edges with two equivalent O(6)Li2Co3 square pyramids, and  an edgeedge with one O(2)LiCo3 trigonal pyramid. The corner-sharing octahedral tilt angles are 90°. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Li(5), one Fe(4), and two equivalent Fe(1) atoms. In the eighth O site, O(8) is bonded to two equivalent Li(1), two equivalent Fe(2), and one Co(5) atom to form OLi2Fe2Co square pyramids that share corners with two equivalent O(13)Li2Fe2Co square pyramids, corners with three equivalent O(1)Li2Co3 square pyramids,  an edgeedge with one O(1)Li2Co3 square pyramid,  an edgeedge with one O(13)Li2Fe2Co square pyramid, and edges with two equivalent O(8)Li2Fe2Co square pyramids. In the ninth O site, O(9) is bonded to two equivalent Li(4), one Co(2), and two equivalent Co(3) atoms to form OLi2Co3 square pyramids that share corners with three equivalent O(17)Li3Co3 octahedra, corners with two equivalent O(6)Li2Co3 square pyramids, corners with two equivalent O(12)Li2FeCo2 square pyramids, corners with two equivalent O(2)LiCo3 trigonal pyramids,  an edgeedge with one O(17)Li3Co3 octahedra,  an edgeedge with one O(12)Li2FeCo2 square pyramid, edges with two equivalent O(9)Li2Co3 square pyramids, and edges with two equivalent O(2)LiCo3 trigonal pyramids. The corner-sharing octahedral tilt angles range from 4-21°. In the tenth O site, O(10) is bonded to one Li(6), two equivalent Li(5), one Fe(1), and two equivalent Co(4) atoms to form OLi3FeCo2 octahedra that share corners with two equivalent O(20)Li2Fe2Co square pyramids, corners with three equivalent O(18)Li2Fe3 square pyramids, edges with two equivalent O(10)Li3FeCo2 octahedra,  an edgeedge with one O(18)Li2Fe3 square pyramid, edges with two equivalent O(13)Li2Fe2Co square pyramids, and edges with two equivalent O(20)Li2Fe2Co square pyramids. In the eleventh O site, O(11) is bonded in a rectangular see-saw-like geometry to one Li(1), one Co(6), and two equivalent Co(5) atoms. In the twelfth O site, O(12) is bonded to two equivalent Li(2), one Fe(3), and two equivalent Co(3) atoms to form OLi2FeCo2 square pyramids that share corners with two equivalent O(9)Li2Co3 square pyramids, corners with three equivalent O(4)Li2Fe3 square pyramids, corners with two equivalent O(2)LiCo3 trigonal pyramids,  an edgeedge with one O(9)Li2Co3 square pyramid,  an edgeedge with one O(4)Li2Fe3 square pyramid, and edges with two equivalent O(12)Li2FeCo2 square pyramids. In the thirteenth O site, O(13) is bonded to two equivalent Li(6), two equivalent Fe(2), and one Co(4) atom to form OLi2Fe2Co square pyramids that share corners with two equivalent O(8)Li2Fe2Co square pyramids, corners with three equivalent O(20)Li2Fe2Co square pyramids, edges with two equivalent O(10)Li3FeCo2 octahedra,  an edgeedge with one O(20)Li2Fe2Co square pyramid,  an edgeedge with one O(8)Li2Fe2Co square pyramid, and edges with two equivalent O(13)Li2Fe2Co square pyramids. In the fourteenth O site, O(14) is bonded to two equivalent Li(3), one Co(1), and two equivalent Co(6) atoms to form OLi2Co3 square pyramids that share corners with two equivalent O(1)Li2Co3 square pyramids, corners with three equivalent O(6)Li2Co3 square pyramids, edges with two equivalent O(17)Li3Co3 octahedra,  an edgeedge with one O(1)Li2Co3 square pyramid,  an edgeedge with one O(6)Li2Co3 square pyramid, and edges with two equivalent O(14)Li2Co3 square pyramids. In the fifteenth O site, O(15) is bonded in a rectangular see-saw-like geometry to one Li(2), one Fe(4), and two equivalent Fe(3) atoms. In the sixteenth O site, O(16) is bonded in a rectangular see-saw-like geometry to one Li(1), one Fe(2), and two equivalent Co(5) atoms. In the seventeenth O site, O(17) is bonded to one Li(3), two equivalent Li(4), one Co(2), and two equivalent Co(1) atoms to form distorted OLi3Co3 octahedra that share corners with two equivalent O(6)Li2Co3 square pyramids, corners with three equivalent O(9)Li2Co3 square pyramids, edges with two equivalent O(17)Li3Co3 octahedra,  an edgeedge with one O(9)Li2Co3 square pyramid, edges with two equivalent O(14)Li2Co3 square pyramids, edges with two equivalent O(6)Li2Co3 square pyramids, and edges with two equivalent O(2)LiCo3 trigonal pyramids. In the eighteenth O site, O(18) is bonded to two equivalent Li(5), one Fe(1), and two equivalent Fe(4) atoms to form OLi2Fe3 square pyramids that share corners with three equivalent O(10)Li3FeCo2 octahedra, corners with two equivalent O(20)Li2Fe2Co square pyramids, corners with two equivalent O(4)Li2Fe3 square pyramids,  an edgeedge with one O(10)Li3FeCo2 octahedra,  an edgeedge with one O(4)Li2Fe3 square pyramid, and edges with two equivalent O(18)Li2Fe3 square pyramids. The corner-sharing octahedral tilt angles range from 1-21°. In the nineteenth O site, O(19) is bonded in a distorted see-saw-like geometry to one Li(2), two equivalent Fe(3), and one Co(3) atom. In the twentieth O site, O(20) is bonded to two equivalent Li(6), two equivalent Fe(1), and one Co(4) atom to form OLi2Fe2Co square pyramids that share corners with two equivalent O(10)Li3FeCo2 octahedra, corners with two equivalent O(18)Li2Fe3 square pyramids, corners with three equivalent O(13)Li2Fe2Co square pyramids, edges with two equivalent O(10)Li3FeCo2 octahedra,  an edgeedge with one O(13)Li2Fe2Co square pyramid, and edges with two equivalent O(20)Li2Fe2Co square pyramids. The corner-sharing octahedral tilt angles are 86°. is represented by the CIF file [CIF]
data_Li3Fe2Co3O10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.877
_cell_length_b   5.258
_cell_length_c   23.339
_cell_angle_alpha   86.061
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   352.179
_cell_formula_units_Z   2
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  0.802  0.604  1.0
  Li  Li1  1  0.500  0.794  0.101  1.0
  Li  Li2  1  0.000  0.436  0.788  1.0
  Li  Li3  1  0.500  0.160  0.913  1.0
  Li  Li4  1  0.500  0.429  0.287  1.0
  Li  Li5  1  0.000  0.169  0.411  1.0
  Fe  Fe6  1  0.000  0.903  0.301  1.0
  Fe  Fe7  1  0.000  0.499  0.504  1.0
  Fe  Fe8  1  0.000  0.306  0.096  1.0
  Fe  Fe9  1  0.500  0.092  0.198  1.0
  Co  Co10  1  0.500  0.908  0.800  1.0
  Co  Co11  1  0.000  0.694  0.896  1.0
  Co  Co12  1  0.500  0.511  0.995  1.0
  Co  Co13  1  0.500  0.688  0.402  1.0
  Co  Co14  1  0.500  0.297  0.604  1.0
  Co  Co15  1  0.000  0.103  0.702  1.0
  O  O16  1  0.500  0.999  0.653  1.0
  O  O17  1  0.500  0.794  0.943  1.0
  O  O18  1  0.000  0.809  0.755  1.0
  O  O19  1  0.000  0.979  0.145  1.0
  O  O20  1  0.000  0.805  0.446  1.0
  O  O21  1  0.500  0.595  0.846  1.0
  O  O22  1  0.500  0.780  0.254  1.0
  O  O23  1  0.500  0.607  0.558  1.0
  O  O24  1  0.000  0.394  0.947  1.0
  O  O25  1  0.000  0.570  0.356  1.0
  O  O26  1  0.000  0.401  0.650  1.0
  O  O27  1  0.000  0.629  0.040  1.0
  O  O28  1  0.500  0.384  0.450  1.0
  O  O29  1  0.500  0.209  0.751  1.0
  O  O30  1  0.500  0.425  0.142  1.0
  O  O31  1  0.000  0.183  0.559  1.0
  O  O32  1  0.000  0.010  0.849  1.0
  O  O33  1  0.000  0.222  0.251  1.0
  O  O34  1  0.500  0.215  0.043  1.0
  O  O35  1  0.500  0.001  0.358  1.0
[/CIF]
.