The compound described by Li4Fe3Co3(TeO8)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 Te(2)O6 octahedra, and corners with four equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-62°. 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 tetrahedra that share  a cornercorner with one Co(2)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with three equivalent Te(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 61-67°. 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 Te(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 63-66°. 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 Te(1)O6 octahedra, and corners with four equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 56-63°. 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 Te(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 Te(1)O6 octahedra, edges with four equivalent Co(1)O6 octahedra, and  an edgeedge with one Li(2)O4 tetrahedra. The corner-sharing octahedral tilt angles are 49°. 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 Te(1)O6 octahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  an edgeedge with one Te(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 are 49°. 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 Te(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 Te(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 tetrahedra. The corner-sharing octahedral tilt angles range from 50-51°. 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 Te(1)O6 octahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  an edgeedge with one Te(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 Te sites. In the first Te site, Te(1) is bonded to one O(2), one O(8), two equivalent O(1), and two equivalent O(6) atoms to form TeO6 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 49-50°. In the second Te site, Te(2) is bonded to one O(12), one O(7), two equivalent O(11), and two equivalent O(9) atoms to form TeO6 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 tetrahedra,  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 49-51°. 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 Te(1) atom. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to one Li(4), two equivalent Co(1), and one Te(1) atom. 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 corner-sharing OLiFeCo2 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 corner-sharing OLiFeCo2 tetrahedra. In the fifth O site, O(5) is bonded in a tetrahedral geometry to one Li(2), two equivalent Fe(2), and one Co(2) atom. 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 Te(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 Te(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 Te(1) atom. In the ninth O site, O(9) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Fe(2), one Co(2), and one Te(2) atom. In the tenth O site, O(10) is bonded in a distorted rectangular see-saw-like geometry to one Li(4), two equivalent Fe(2), and one Co(2) atom. 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 Te(2) atom. In the twelfth O site, O(12) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), two equivalent Fe(2), and one Te(2) atom. is represented by the CIF card [CIF]
data_Li4Fe3Co3(TeO8)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.991
_cell_length_b   5.991
_cell_length_c   9.750
_cell_angle_alpha   89.441
_cell_angle_beta   89.441
_cell_angle_gamma   59.818
_symmetry_Int_Tables_number   1
_cell_volume   302.471
_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  0.665  0.665  0.911  1.0
  Li  Li1  1  0.002  0.002  0.986  1.0
  Li  Li2  1  0.005  0.005  0.483  1.0
  Li  Li3  1  0.333  0.333  0.411  1.0
  Fe  Fe4  1  0.830  0.830  0.214  1.0
  Fe  Fe5  1  0.659  0.169  0.713  1.0
  Fe  Fe6  1  0.169  0.659  0.713  1.0
  Co  Co7  1  0.825  0.344  0.210  1.0
  Co  Co8  1  0.344  0.825  0.210  1.0
  Co  Co9  1  0.173  0.173  0.712  1.0
  Te  Te10  1  0.665  0.665  0.482  1.0
  Te  Te11  1  0.331  0.331  0.985  1.0
  O  O12  1  0.825  0.343  0.589  1.0
  O  O13  1  0.519  0.519  0.352  1.0
  O  O14  1  0.668  0.668  0.113  1.0
  O  O15  1  0.003  0.003  0.292  1.0
  O  O16  1  0.997  0.997  0.797  1.0
  O  O17  1  0.343  0.825  0.589  1.0
  O  O18  1  0.963  0.525  0.353  1.0
  O  O19  1  0.525  0.963  0.353  1.0
  O  O20  1  0.169  0.169  0.090  1.0
  O  O21  1  0.827  0.827  0.593  1.0
  O  O22  1  0.487  0.037  0.855  1.0
  O  O23  1  0.037  0.487  0.855  1.0
  O  O24  1  0.341  0.341  0.609  1.0
  O  O25  1  0.654  0.169  0.092  1.0
  O  O26  1  0.480  0.480  0.852  1.0
  O  O27  1  0.169  0.654  0.092  1.0
[/CIF]
.
The compound described by Li4Fe3Co3(TeO8)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 Te(2)O6 octahedra, and corners with four equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-62°. 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 tetrahedra that share  a cornercorner with one Co(2)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with three equivalent Te(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 61-67°. 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 Te(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 63-66°. 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 Te(1)O6 octahedra, and corners with four equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 56-63°. 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 Te(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 Te(1)O6 octahedra, edges with four equivalent Co(1)O6 octahedra, and  an edgeedge with one Li(2)O4 tetrahedra. The corner-sharing octahedral tilt angles are 49°. 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 Te(1)O6 octahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  an edgeedge with one Te(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 are 49°. 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 Te(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 Te(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 tetrahedra. The corner-sharing octahedral tilt angles range from 50-51°. 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 Te(1)O6 octahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  an edgeedge with one Te(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 Te sites. In the first Te site, Te(1) is bonded to one O(2), one O(8), two equivalent O(1), and two equivalent O(6) atoms to form TeO6 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 49-50°. In the second Te site, Te(2) is bonded to one O(12), one O(7), two equivalent O(11), and two equivalent O(9) atoms to form TeO6 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 tetrahedra,  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 49-51°. 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 Te(1) atom. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to one Li(4), two equivalent Co(1), and one Te(1) atom. 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 corner-sharing OLiFeCo2 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 corner-sharing OLiFeCo2 tetrahedra. In the fifth O site, O(5) is bonded in a tetrahedral geometry to one Li(2), two equivalent Fe(2), and one Co(2) atom. 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 Te(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 Te(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 Te(1) atom. In the ninth O site, O(9) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Fe(2), one Co(2), and one Te(2) atom. In the tenth O site, O(10) is bonded in a distorted rectangular see-saw-like geometry to one Li(4), two equivalent Fe(2), and one Co(2) atom. 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 Te(2) atom. In the twelfth O site, O(12) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), two equivalent Fe(2), and one Te(2) atom. is represented by the CIF card [CIF]
data_Li4Fe3Co3(TeO8)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.991
_cell_length_b   5.991
_cell_length_c   9.750
_cell_angle_alpha   89.441
_cell_angle_beta   89.441
_cell_angle_gamma   59.818
_symmetry_Int_Tables_number   1
_cell_volume   302.471
_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  0.665  0.665  0.911  1.0
  Li  Li1  1  0.002  0.002  0.986  1.0
  Li  Li2  1  0.005  0.005  0.483  1.0
  Li  Li3  1  0.333  0.333  0.411  1.0
  Fe  Fe4  1  0.830  0.830  0.214  1.0
  Fe  Fe5  1  0.659  0.169  0.713  1.0
  Fe  Fe6  1  0.169  0.659  0.713  1.0
  Co  Co7  1  0.825  0.344  0.210  1.0
  Co  Co8  1  0.344  0.825  0.210  1.0
  Co  Co9  1  0.173  0.173  0.712  1.0
  Te  Te10  1  0.665  0.665  0.482  1.0
  Te  Te11  1  0.331  0.331  0.985  1.0
  O  O12  1  0.825  0.343  0.589  1.0
  O  O13  1  0.519  0.519  0.352  1.0
  O  O14  1  0.668  0.668  0.113  1.0
  O  O15  1  0.003  0.003  0.292  1.0
  O  O16  1  0.997  0.997  0.797  1.0
  O  O17  1  0.343  0.825  0.589  1.0
  O  O18  1  0.963  0.525  0.353  1.0
  O  O19  1  0.525  0.963  0.353  1.0
  O  O20  1  0.169  0.169  0.090  1.0
  O  O21  1  0.827  0.827  0.593  1.0
  O  O22  1  0.487  0.037  0.855  1.0
  O  O23  1  0.037  0.487  0.855  1.0
  O  O24  1  0.341  0.341  0.609  1.0
  O  O25  1  0.654  0.169  0.092  1.0
  O  O26  1  0.480  0.480  0.852  1.0
  O  O27  1  0.169  0.654  0.092  1.0
[/CIF]
.