The structure described by Li4Mn3Fe3(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 Mn(1)O6 octahedra, corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with three equivalent Sb(2)O6 octahedra, and corners with four equivalent Mn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-61°. 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 Fe(2)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, corners with three equivalent Sb(2)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra, and edges with two equivalent Fe(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 62-66°. 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 Mn(1)O6 octahedra, corners with two equivalent Fe(1)O6 octahedra, corners with three equivalent Sb(1)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra, and edges with two equivalent Mn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 61-65°. 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 Fe(2)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, corners with three equivalent Sb(1)O6 octahedra, and corners with four equivalent Fe(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 56-63°. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(3), one O(4), two equivalent O(11), and two equivalent O(6) atoms to form MnO6 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 Fe(1)O6 octahedra, and  an edgeedge with one Li(2)O4 trigonal pyramid. The corner-sharing octahedral tilt angles are 52°. In the second Mn site, Mn(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 MnO6 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 Mn(2)O6 octahedra, edges with two equivalent Fe(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 Fe sites. In the first Fe site, Fe(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 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 two equivalent Mn(1)O6 octahedra, edges with two equivalent Fe(1)O6 octahedra, and  an edgeedge with one Li(2)O4 trigonal pyramid. The corner-sharing octahedral tilt angles are 50°. In the second Fe site, Fe(2) is bonded to one O(10), one O(5), two equivalent O(1), and two equivalent O(9) atoms 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 four equivalent Mn(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 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 Fe(2)O6 octahedra, corners with four equivalent Mn(2)O6 octahedra, corners with three equivalent Li(4)O4 tetrahedra, corners with three equivalent Li(3)O4 trigonal pyramids,  an edgeedge with one Mn(1)O6 octahedra, and edges with two equivalent Fe(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-52°. 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 Mn(1)O6 octahedra, corners with four equivalent Fe(1)O6 octahedra, corners with three equivalent Li(1)O4 tetrahedra, corners with three equivalent Li(2)O4 trigonal pyramids,  an edgeedge with one Fe(2)O6 octahedra, and edges with two equivalent Mn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-52°. 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 Mn(2), one Fe(2), and one Sb(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 Fe(1), and one Sb(1) atom. In the third O site, O(3) is bonded to one Li(1), one Mn(1), and two equivalent Fe(1) atoms to form distorted corner-sharing OLiMnFe2 trigonal pyramids. In the fourth O site, O(4) is bonded to one Li(3), one Mn(1), and two equivalent Fe(1) atoms to form corner-sharing OLiMnFe2 tetrahedra. In the fifth O site, O(5) is bonded to one Li(2), two equivalent Mn(2), and one Fe(2) atom to form corner-sharing OLiMn2Fe tetrahedra. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Li(4), one Mn(1), one Fe(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 Fe(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 Mn(2), and one Sb(1) atom. In the ninth O site, O(9) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Mn(2), one Fe(2), and one Sb(2) atom. In the tenth O site, O(10) is bonded to one Li(4), two equivalent Mn(2), and one Fe(2) atom to form distorted corner-sharing OLiMn2Fe tetrahedra. In the eleventh O site, O(11) is bonded in a rectangular see-saw-like geometry to one Li(2), one Mn(1), one Fe(1), and one Sb(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 Mn(2), and one Sb(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li4Mn3Fe3(SbO8)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.010
_cell_length_b   6.010
_cell_length_c   9.801
_cell_angle_alpha   89.350
_cell_angle_beta   89.350
_cell_angle_gamma   59.884
_symmetry_Int_Tables_number   1
_cell_volume   306.155
_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  0.668  0.668  0.095  1.0
  Li  Li1  1  0.999  0.999  0.012  1.0
  Li  Li2  1  0.999  0.999  0.513  1.0
  Li  Li3  1  0.334  0.334  0.596  1.0
  Mn  Mn4  1  0.830  0.830  0.789  1.0
  Mn  Mn5  1  0.171  0.661  0.288  1.0
  Mn  Mn6  1  0.661  0.171  0.288  1.0
  Fe  Fe7  1  0.339  0.832  0.786  1.0
  Fe  Fe8  1  0.832  0.339  0.786  1.0
  Fe  Fe9  1  0.170  0.170  0.285  1.0
  Sb  Sb10  1  0.666  0.666  0.515  1.0
  Sb  Sb11  1  0.334  0.334  0.014  1.0
  O  O12  1  0.335  0.838  0.406  1.0
  O  O13  1  0.517  0.517  0.654  1.0
  O  O14  1  0.670  0.670  0.889  1.0
  O  O15  1  0.995  0.995  0.700  1.0
  O  O16  1  0.995  0.995  0.201  1.0
  O  O17  1  0.838  0.335  0.406  1.0
  O  O18  1  0.509  0.964  0.651  1.0
  O  O19  1  0.964  0.509  0.651  1.0
  O  O20  1  0.168  0.168  0.904  1.0
  O  O21  1  0.833  0.833  0.410  1.0
  O  O22  1  0.035  0.476  0.152  1.0
  O  O23  1  0.476  0.035  0.152  1.0
  O  O24  1  0.339  0.339  0.386  1.0
  O  O25  1  0.172  0.666  0.906  1.0
  O  O26  1  0.483  0.483  0.148  1.0
  O  O27  1  0.666  0.172  0.906  1.0
[/CIF]
.
The structure described by Li4Mn3Fe3(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 Mn(1)O6 octahedra, corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with three equivalent Sb(2)O6 octahedra, and corners with four equivalent Mn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-61°. 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 Fe(2)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, corners with three equivalent Sb(2)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra, and edges with two equivalent Fe(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 62-66°. 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 Mn(1)O6 octahedra, corners with two equivalent Fe(1)O6 octahedra, corners with three equivalent Sb(1)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra, and edges with two equivalent Mn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 61-65°. 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 Fe(2)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, corners with three equivalent Sb(1)O6 octahedra, and corners with four equivalent Fe(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 56-63°. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(3), one O(4), two equivalent O(11), and two equivalent O(6) atoms to form MnO6 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 Fe(1)O6 octahedra, and  an edgeedge with one Li(2)O4 trigonal pyramid. The corner-sharing octahedral tilt angles are 52°. In the second Mn site, Mn(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 MnO6 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 Mn(2)O6 octahedra, edges with two equivalent Fe(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 Fe sites. In the first Fe site, Fe(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 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 two equivalent Mn(1)O6 octahedra, edges with two equivalent Fe(1)O6 octahedra, and  an edgeedge with one Li(2)O4 trigonal pyramid. The corner-sharing octahedral tilt angles are 50°. In the second Fe site, Fe(2) is bonded to one O(10), one O(5), two equivalent O(1), and two equivalent O(9) atoms 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 four equivalent Mn(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 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 Fe(2)O6 octahedra, corners with four equivalent Mn(2)O6 octahedra, corners with three equivalent Li(4)O4 tetrahedra, corners with three equivalent Li(3)O4 trigonal pyramids,  an edgeedge with one Mn(1)O6 octahedra, and edges with two equivalent Fe(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-52°. 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 Mn(1)O6 octahedra, corners with four equivalent Fe(1)O6 octahedra, corners with three equivalent Li(1)O4 tetrahedra, corners with three equivalent Li(2)O4 trigonal pyramids,  an edgeedge with one Fe(2)O6 octahedra, and edges with two equivalent Mn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-52°. 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 Mn(2), one Fe(2), and one Sb(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 Fe(1), and one Sb(1) atom. In the third O site, O(3) is bonded to one Li(1), one Mn(1), and two equivalent Fe(1) atoms to form distorted corner-sharing OLiMnFe2 trigonal pyramids. In the fourth O site, O(4) is bonded to one Li(3), one Mn(1), and two equivalent Fe(1) atoms to form corner-sharing OLiMnFe2 tetrahedra. In the fifth O site, O(5) is bonded to one Li(2), two equivalent Mn(2), and one Fe(2) atom to form corner-sharing OLiMn2Fe tetrahedra. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Li(4), one Mn(1), one Fe(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 Fe(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 Mn(2), and one Sb(1) atom. In the ninth O site, O(9) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Mn(2), one Fe(2), and one Sb(2) atom. In the tenth O site, O(10) is bonded to one Li(4), two equivalent Mn(2), and one Fe(2) atom to form distorted corner-sharing OLiMn2Fe tetrahedra. In the eleventh O site, O(11) is bonded in a rectangular see-saw-like geometry to one Li(2), one Mn(1), one Fe(1), and one Sb(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 Mn(2), and one Sb(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li4Mn3Fe3(SbO8)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.010
_cell_length_b   6.010
_cell_length_c   9.801
_cell_angle_alpha   89.350
_cell_angle_beta   89.350
_cell_angle_gamma   59.884
_symmetry_Int_Tables_number   1
_cell_volume   306.155
_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  0.668  0.668  0.095  1.0
  Li  Li1  1  0.999  0.999  0.012  1.0
  Li  Li2  1  0.999  0.999  0.513  1.0
  Li  Li3  1  0.334  0.334  0.596  1.0
  Mn  Mn4  1  0.830  0.830  0.789  1.0
  Mn  Mn5  1  0.171  0.661  0.288  1.0
  Mn  Mn6  1  0.661  0.171  0.288  1.0
  Fe  Fe7  1  0.339  0.832  0.786  1.0
  Fe  Fe8  1  0.832  0.339  0.786  1.0
  Fe  Fe9  1  0.170  0.170  0.285  1.0
  Sb  Sb10  1  0.666  0.666  0.515  1.0
  Sb  Sb11  1  0.334  0.334  0.014  1.0
  O  O12  1  0.335  0.838  0.406  1.0
  O  O13  1  0.517  0.517  0.654  1.0
  O  O14  1  0.670  0.670  0.889  1.0
  O  O15  1  0.995  0.995  0.700  1.0
  O  O16  1  0.995  0.995  0.201  1.0
  O  O17  1  0.838  0.335  0.406  1.0
  O  O18  1  0.509  0.964  0.651  1.0
  O  O19  1  0.964  0.509  0.651  1.0
  O  O20  1  0.168  0.168  0.904  1.0
  O  O21  1  0.833  0.833  0.410  1.0
  O  O22  1  0.035  0.476  0.152  1.0
  O  O23  1  0.476  0.035  0.152  1.0
  O  O24  1  0.339  0.339  0.386  1.0
  O  O25  1  0.172  0.666  0.906  1.0
  O  O26  1  0.483  0.483  0.148  1.0
  O  O27  1  0.666  0.172  0.906  1.0
[/CIF]
.