The crystal structure described by Li4Fe3Co3(SbO8)2 is Spinel-derived structured and crystallizes in the monoclinic Cm space group. There are four inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(12), one O(3), and two equivalent O(9) atoms to form LiO4 tetrahedra that share  a cornercorner with one Fe(1)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Co(2)O6 octahedra, corners with three equivalent Sb(2)O6 octahedra, and corners with four equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 57-62°. In the second Li site, Li(2) is bonded to one O(5), one O(7), and two equivalent O(11) atoms to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Co(2)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with three equivalent Sb(2)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra, and edges with two equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 60-65°. In the third Li site, Li(3) is bonded to one O(4), one O(8), and two equivalent O(1) atoms to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Fe(1)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, corners with three equivalent Sb(1)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra, and edges with two equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 59-65°. In the fourth Li site, Li(4) is bonded to one O(10), one O(2), and two equivalent O(6) atoms to form LiO4 tetrahedra that share  a cornercorner with one Co(2)O6 octahedra, corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with three equivalent Sb(1)O6 octahedra, and corners with four equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 57-63°. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(3), one O(4), two equivalent O(11), and two equivalent O(6) atoms to form FeO6 octahedra that share corners with two equivalent Sb(2)O6 octahedra,  a cornercorner with one Li(1)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  a cornercorner with one Li(3)O4 trigonal pyramid,  an edgeedge with one Sb(1)O6 octahedra, edges with four equivalent Co(1)O6 octahedra, and  an edgeedge with one Li(2)O4 trigonal pyramid. The corner-sharing octahedral tilt angles are 53°. In the second Fe site, Fe(2) is bonded to one O(1), one O(10), one O(12), one O(5), one O(8), and one O(9) atom to form FeO6 octahedra that share corners with two equivalent Sb(1)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  a cornercorner with one Li(2)O4 trigonal pyramid,  an edgeedge with one Sb(2)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, and  an edgeedge with one Li(3)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 51-52°. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(11), one O(2), one O(3), one O(4), one O(6), and one O(7) atom to form CoO6 octahedra that share corners with two equivalent Sb(2)O6 octahedra,  a cornercorner with one Li(1)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  a cornercorner with one Li(3)O4 trigonal pyramid,  an edgeedge with one Sb(1)O6 octahedra, edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and  an edgeedge with one Li(2)O4 trigonal pyramid. The corner-sharing octahedral tilt angles are 52°. In the second Co site, Co(2) is bonded to one O(10), one O(5), two equivalent O(1), and two equivalent O(9) atoms to form CoO6 octahedra that share corners with two equivalent Sb(1)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  a cornercorner with one Li(2)O4 trigonal pyramid,  an edgeedge with one Sb(2)O6 octahedra, edges with four equivalent Fe(2)O6 octahedra, and  an edgeedge with one Li(3)O4 trigonal pyramid. The corner-sharing octahedral tilt angles are 50°. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to one O(2), one O(8), two equivalent O(1), and two equivalent O(6) atoms to form SbO6 octahedra that share corners with two equivalent Co(2)O6 octahedra, corners with four equivalent Fe(2)O6 octahedra, corners with three equivalent Li(4)O4 tetrahedra, corners with three equivalent Li(3)O4 trigonal pyramids,  an edgeedge with one Fe(1)O6 octahedra, and edges with two equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-52°. In the second Sb site, Sb(2) is bonded to one O(12), one O(7), two equivalent O(11), and two equivalent O(9) atoms to form SbO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with four equivalent Co(1)O6 octahedra, corners with three equivalent Li(1)O4 tetrahedra, corners with three equivalent Li(2)O4 trigonal pyramids,  an edgeedge with one Co(2)O6 octahedra, and edges with two equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-53°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to one Li(3), one Fe(2), one Co(2), and one Sb(1) atom. In the second O site, O(2) is bonded to one Li(4), two equivalent Co(1), and one Sb(1) atom to form distorted OLiCo2Sb tetrahedra that share corners with two equivalent O(4)LiFeCo2 tetrahedra,  a cornercorner with one O(10)LiFe2Co trigonal pyramid, and  an edgeedge with one O(3)LiFeCo2 trigonal pyramid. In the third O site, O(3) is bonded to one Li(1), one Fe(1), and two equivalent Co(1) atoms to form distorted OLiFeCo2 trigonal pyramids that share  a cornercorner with one O(12)LiFe2Sb tetrahedra, corners with three equivalent O(4)LiFeCo2 tetrahedra, corners with two equivalent O(9)LiFeCoSb trigonal pyramids, and  an edgeedge with one O(2)LiCo2Sb tetrahedra. In the fourth O site, O(4) is bonded to one Li(3), one Fe(1), and two equivalent Co(1) atoms to form OLiFeCo2 tetrahedra that share corners with two equivalent O(2)LiCo2Sb tetrahedra and corners with three equivalent O(3)LiFeCo2 trigonal pyramids. In the fifth O site, O(5) is bonded to one Li(2), two equivalent Fe(2), and one Co(2) atom to form OLiFe2Co tetrahedra that share corners with two equivalent O(12)LiFe2Sb tetrahedra, corners with three equivalent O(10)LiFe2Co trigonal pyramids, and corners with four equivalent O(9)LiFeCoSb trigonal pyramids. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Li(4), one Fe(1), one Co(1), and one Sb(1) atom. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Li(2), two equivalent Co(1), and one Sb(2) atom. In the eighth O site, O(8) is bonded in a rectangular see-saw-like geometry to one Li(3), two equivalent Fe(2), and one Sb(1) atom. In the ninth O site, O(9) is bonded to one Li(1), one Fe(2), one Co(2), and one Sb(2) atom to form distorted OLiFeCoSb trigonal pyramids that share  a cornercorner with one O(12)LiFe2Sb tetrahedra, corners with two equivalent O(5)LiFe2Co tetrahedra,  a cornercorner with one O(3)LiFeCo2 trigonal pyramid,  a cornercorner with one O(9)LiFeCoSb trigonal pyramid,  an edgeedge with one O(12)LiFe2Sb tetrahedra,  an edgeedge with one O(10)LiFe2Co trigonal pyramid, and  an edgeedge with one O(9)LiFeCoSb trigonal pyramid. In the tenth O site, O(10) is bonded to one Li(4), two equivalent Fe(2), and one Co(2) atom to form distorted OLiFe2Co trigonal pyramids that share  a cornercorner with one O(2)LiCo2Sb tetrahedra, corners with three equivalent O(5)LiFe2Co tetrahedra,  an edgeedge with one O(12)LiFe2Sb tetrahedra, and edges with two equivalent O(9)LiFeCoSb trigonal pyramids. In the eleventh O site, O(11) is bonded in a rectangular see-saw-like geometry to one Li(2), one Fe(1), one Co(1), and one Sb(2) atom. In the twelfth O site, O(12) is bonded to one Li(1), two equivalent Fe(2), and one Sb(2) atom to form distorted OLiFe2Sb tetrahedra that share corners with two equivalent O(5)LiFe2Co tetrahedra,  a cornercorner with one O(3)LiFeCo2 trigonal pyramid, corners with two equivalent O(9)LiFeCoSb trigonal pyramids,  an edgeedge with one O(10)LiFe2Co trigonal pyramid, and edges with two equivalent O(9)LiFeCoSb trigonal pyramids. is represented by the CIF card [CIF]
data_Li4Fe3Co3(SbO8)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.883
_cell_length_b   5.883
_cell_length_c   9.595
_cell_angle_alpha   88.965
_cell_angle_beta   88.965
_cell_angle_gamma   60.031
_symmetry_Int_Tables_number   1
_cell_volume   287.644
_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  0.662  0.662  0.095  1.0
  Li  Li1  1  0.006  0.006  0.008  1.0
  Li  Li2  1  0.008  0.008  0.510  1.0
  Li  Li3  1  0.329  0.329  0.601  1.0
  Fe  Fe4  1  0.831  0.831  0.786  1.0
  Fe  Fe5  1  0.170  0.661  0.286  1.0
  Fe  Fe6  1  0.661  0.170  0.286  1.0
  Co  Co7  1  0.342  0.830  0.786  1.0
  Co  Co8  1  0.830  0.342  0.786  1.0
  Co  Co9  1  0.173  0.173  0.285  1.0
  Sb  Sb10  1  0.665  0.665  0.515  1.0
  Sb  Sb11  1  0.332  0.332  0.008  1.0
  O  O12  1  0.333  0.838  0.403  1.0
  O  O13  1  0.517  0.517  0.668  1.0
  O  O14  1  0.661  0.661  0.889  1.0
  O  O15  1  0.006  0.006  0.696  1.0
  O  O16  1  0.008  0.008  0.196  1.0
  O  O17  1  0.838  0.333  0.403  1.0
  O  O18  1  0.507  0.963  0.658  1.0
  O  O19  1  0.963  0.507  0.658  1.0
  O  O20  1  0.164  0.164  0.897  1.0
  O  O21  1  0.836  0.836  0.409  1.0
  O  O22  1  0.033  0.473  0.157  1.0
  O  O23  1  0.473  0.033  0.157  1.0
  O  O24  1  0.331  0.331  0.394  1.0
  O  O25  1  0.165  0.674  0.904  1.0
  O  O26  1  0.480  0.480  0.150  1.0
  O  O27  1  0.674  0.165  0.904  1.0
[/CIF]
.
The crystal structure described by Li4Fe3Co3(SbO8)2 is Spinel-derived structured and crystallizes in the monoclinic Cm space group. There are four inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(12), one O(3), and two equivalent O(9) atoms to form LiO4 tetrahedra that share  a cornercorner with one Fe(1)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, corners with two equivalent Co(2)O6 octahedra, corners with three equivalent Sb(2)O6 octahedra, and corners with four equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 57-62°. In the second Li site, Li(2) is bonded to one O(5), one O(7), and two equivalent O(11) atoms to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Co(2)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with three equivalent Sb(2)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra, and edges with two equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 60-65°. In the third Li site, Li(3) is bonded to one O(4), one O(8), and two equivalent O(1) atoms to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Fe(1)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, corners with three equivalent Sb(1)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra, and edges with two equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 59-65°. In the fourth Li site, Li(4) is bonded to one O(10), one O(2), and two equivalent O(6) atoms to form LiO4 tetrahedra that share  a cornercorner with one Co(2)O6 octahedra, corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with three equivalent Sb(1)O6 octahedra, and corners with four equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 57-63°. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(3), one O(4), two equivalent O(11), and two equivalent O(6) atoms to form FeO6 octahedra that share corners with two equivalent Sb(2)O6 octahedra,  a cornercorner with one Li(1)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  a cornercorner with one Li(3)O4 trigonal pyramid,  an edgeedge with one Sb(1)O6 octahedra, edges with four equivalent Co(1)O6 octahedra, and  an edgeedge with one Li(2)O4 trigonal pyramid. The corner-sharing octahedral tilt angles are 53°. In the second Fe site, Fe(2) is bonded to one O(1), one O(10), one O(12), one O(5), one O(8), and one O(9) atom to form FeO6 octahedra that share corners with two equivalent Sb(1)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  a cornercorner with one Li(2)O4 trigonal pyramid,  an edgeedge with one Sb(2)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, and  an edgeedge with one Li(3)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 51-52°. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(11), one O(2), one O(3), one O(4), one O(6), and one O(7) atom to form CoO6 octahedra that share corners with two equivalent Sb(2)O6 octahedra,  a cornercorner with one Li(1)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  a cornercorner with one Li(3)O4 trigonal pyramid,  an edgeedge with one Sb(1)O6 octahedra, edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and  an edgeedge with one Li(2)O4 trigonal pyramid. The corner-sharing octahedral tilt angles are 52°. In the second Co site, Co(2) is bonded to one O(10), one O(5), two equivalent O(1), and two equivalent O(9) atoms to form CoO6 octahedra that share corners with two equivalent Sb(1)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  a cornercorner with one Li(2)O4 trigonal pyramid,  an edgeedge with one Sb(2)O6 octahedra, edges with four equivalent Fe(2)O6 octahedra, and  an edgeedge with one Li(3)O4 trigonal pyramid. The corner-sharing octahedral tilt angles are 50°. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to one O(2), one O(8), two equivalent O(1), and two equivalent O(6) atoms to form SbO6 octahedra that share corners with two equivalent Co(2)O6 octahedra, corners with four equivalent Fe(2)O6 octahedra, corners with three equivalent Li(4)O4 tetrahedra, corners with three equivalent Li(3)O4 trigonal pyramids,  an edgeedge with one Fe(1)O6 octahedra, and edges with two equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-52°. In the second Sb site, Sb(2) is bonded to one O(12), one O(7), two equivalent O(11), and two equivalent O(9) atoms to form SbO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with four equivalent Co(1)O6 octahedra, corners with three equivalent Li(1)O4 tetrahedra, corners with three equivalent Li(2)O4 trigonal pyramids,  an edgeedge with one Co(2)O6 octahedra, and edges with two equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-53°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to one Li(3), one Fe(2), one Co(2), and one Sb(1) atom. In the second O site, O(2) is bonded to one Li(4), two equivalent Co(1), and one Sb(1) atom to form distorted OLiCo2Sb tetrahedra that share corners with two equivalent O(4)LiFeCo2 tetrahedra,  a cornercorner with one O(10)LiFe2Co trigonal pyramid, and  an edgeedge with one O(3)LiFeCo2 trigonal pyramid. In the third O site, O(3) is bonded to one Li(1), one Fe(1), and two equivalent Co(1) atoms to form distorted OLiFeCo2 trigonal pyramids that share  a cornercorner with one O(12)LiFe2Sb tetrahedra, corners with three equivalent O(4)LiFeCo2 tetrahedra, corners with two equivalent O(9)LiFeCoSb trigonal pyramids, and  an edgeedge with one O(2)LiCo2Sb tetrahedra. In the fourth O site, O(4) is bonded to one Li(3), one Fe(1), and two equivalent Co(1) atoms to form OLiFeCo2 tetrahedra that share corners with two equivalent O(2)LiCo2Sb tetrahedra and corners with three equivalent O(3)LiFeCo2 trigonal pyramids. In the fifth O site, O(5) is bonded to one Li(2), two equivalent Fe(2), and one Co(2) atom to form OLiFe2Co tetrahedra that share corners with two equivalent O(12)LiFe2Sb tetrahedra, corners with three equivalent O(10)LiFe2Co trigonal pyramids, and corners with four equivalent O(9)LiFeCoSb trigonal pyramids. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Li(4), one Fe(1), one Co(1), and one Sb(1) atom. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Li(2), two equivalent Co(1), and one Sb(2) atom. In the eighth O site, O(8) is bonded in a rectangular see-saw-like geometry to one Li(3), two equivalent Fe(2), and one Sb(1) atom. In the ninth O site, O(9) is bonded to one Li(1), one Fe(2), one Co(2), and one Sb(2) atom to form distorted OLiFeCoSb trigonal pyramids that share  a cornercorner with one O(12)LiFe2Sb tetrahedra, corners with two equivalent O(5)LiFe2Co tetrahedra,  a cornercorner with one O(3)LiFeCo2 trigonal pyramid,  a cornercorner with one O(9)LiFeCoSb trigonal pyramid,  an edgeedge with one O(12)LiFe2Sb tetrahedra,  an edgeedge with one O(10)LiFe2Co trigonal pyramid, and  an edgeedge with one O(9)LiFeCoSb trigonal pyramid. In the tenth O site, O(10) is bonded to one Li(4), two equivalent Fe(2), and one Co(2) atom to form distorted OLiFe2Co trigonal pyramids that share  a cornercorner with one O(2)LiCo2Sb tetrahedra, corners with three equivalent O(5)LiFe2Co tetrahedra,  an edgeedge with one O(12)LiFe2Sb tetrahedra, and edges with two equivalent O(9)LiFeCoSb trigonal pyramids. In the eleventh O site, O(11) is bonded in a rectangular see-saw-like geometry to one Li(2), one Fe(1), one Co(1), and one Sb(2) atom. In the twelfth O site, O(12) is bonded to one Li(1), two equivalent Fe(2), and one Sb(2) atom to form distorted OLiFe2Sb tetrahedra that share corners with two equivalent O(5)LiFe2Co tetrahedra,  a cornercorner with one O(3)LiFeCo2 trigonal pyramid, corners with two equivalent O(9)LiFeCoSb trigonal pyramids,  an edgeedge with one O(10)LiFe2Co trigonal pyramid, and edges with two equivalent O(9)LiFeCoSb trigonal pyramids. is represented by the CIF card [CIF]
data_Li4Fe3Co3(SbO8)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.883
_cell_length_b   5.883
_cell_length_c   9.595
_cell_angle_alpha   88.965
_cell_angle_beta   88.965
_cell_angle_gamma   60.031
_symmetry_Int_Tables_number   1
_cell_volume   287.644
_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  0.662  0.662  0.095  1.0
  Li  Li1  1  0.006  0.006  0.008  1.0
  Li  Li2  1  0.008  0.008  0.510  1.0
  Li  Li3  1  0.329  0.329  0.601  1.0
  Fe  Fe4  1  0.831  0.831  0.786  1.0
  Fe  Fe5  1  0.170  0.661  0.286  1.0
  Fe  Fe6  1  0.661  0.170  0.286  1.0
  Co  Co7  1  0.342  0.830  0.786  1.0
  Co  Co8  1  0.830  0.342  0.786  1.0
  Co  Co9  1  0.173  0.173  0.285  1.0
  Sb  Sb10  1  0.665  0.665  0.515  1.0
  Sb  Sb11  1  0.332  0.332  0.008  1.0
  O  O12  1  0.333  0.838  0.403  1.0
  O  O13  1  0.517  0.517  0.668  1.0
  O  O14  1  0.661  0.661  0.889  1.0
  O  O15  1  0.006  0.006  0.696  1.0
  O  O16  1  0.008  0.008  0.196  1.0
  O  O17  1  0.838  0.333  0.403  1.0
  O  O18  1  0.507  0.963  0.658  1.0
  O  O19  1  0.963  0.507  0.658  1.0
  O  O20  1  0.164  0.164  0.897  1.0
  O  O21  1  0.836  0.836  0.409  1.0
  O  O22  1  0.033  0.473  0.157  1.0
  O  O23  1  0.473  0.033  0.157  1.0
  O  O24  1  0.331  0.331  0.394  1.0
  O  O25  1  0.165  0.674  0.904  1.0
  O  O26  1  0.480  0.480  0.150  1.0
  O  O27  1  0.674  0.165  0.904  1.0
[/CIF]
.