The material structure described by Co7Sb2O12 is Spinel-like structured and crystallizes in the monoclinic C2 space group. There are eight inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(4), one O(5), one O(7), and one O(8) atom to form CoO4 tetrahedra that share corners with three equivalent Co(2)O6 octahedra, corners with three equivalent Co(4)O6 octahedra, corners with three equivalent Co(5)O6 octahedra, and corners with three equivalent Sb(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-64°. In the second Co site, Co(2) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(8) atom to form CoO6 octahedra that share  a cornercorner with one Co(7)O4 tetrahedra, corners with two equivalent Co(3)O4 tetrahedra, corners with three equivalent Co(1)O4 tetrahedra,  an edgeedge with one Co(4)O6 octahedra,  an edgeedge with one Sb(1)O6 octahedra, edges with two equivalent Co(5)O6 octahedra, and edges with two equivalent Sb(2)O6 octahedra. In the third Co site, Co(3) is bonded to one O(1), one O(2), one O(6), and one O(9) atom to form CoO4 tetrahedra that share  a cornercorner with one Co(8)O6 octahedra, corners with two equivalent Co(2)O6 octahedra, corners with two equivalent Co(5)O6 octahedra, corners with two equivalent Co(6)O6 octahedra, corners with two equivalent Sb(2)O6 octahedra, and corners with three equivalent Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 56-63°. In the fourth Co site, Co(4) is bonded to two equivalent O(4), two equivalent O(5), and two equivalent O(7) atoms to form CoO6 octahedra that share corners with six equivalent Co(1)O4 tetrahedra, edges with two equivalent Co(2)O6 octahedra, edges with two equivalent Co(5)O6 octahedra, and edges with two equivalent Sb(2)O6 octahedra. In the fifth Co site, Co(5) is bonded to one O(1), one O(3), one O(5), one O(6), one O(7), and one O(8) atom to form CoO6 octahedra that share  a cornercorner with one Co(7)O4 tetrahedra, corners with two equivalent Co(3)O4 tetrahedra, corners with three equivalent Co(1)O4 tetrahedra,  an edgeedge with one Co(4)O6 octahedra,  an edgeedge with one Sb(1)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, and edges with two equivalent Sb(2)O6 octahedra. In the sixth Co site, Co(6) is bonded to one O(11), one O(12), two equivalent O(10), and two equivalent O(9) atoms to form CoO6 octahedra that share corners with two equivalent Co(3)O4 tetrahedra, corners with four equivalent Co(7)O4 tetrahedra, edges with two equivalent Co(6)O6 octahedra, edges with two equivalent Co(8)O6 octahedra, and edges with two equivalent Sb(1)O6 octahedra. In the seventh Co site, Co(7) is bonded to one O(10), one O(11), one O(12), and one O(3) atom to form CoO4 tetrahedra that share  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one Co(5)O6 octahedra,  a cornercorner with one Sb(2)O6 octahedra, corners with two equivalent Co(8)O6 octahedra, corners with three equivalent Sb(1)O6 octahedra, and corners with four equivalent Co(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-60°. In the eighth Co site, Co(8) is bonded to two equivalent O(11), two equivalent O(12), and two equivalent O(9) atoms to form CoO6 octahedra that share corners with two equivalent Co(3)O4 tetrahedra, corners with four equivalent Co(7)O4 tetrahedra, edges with two equivalent Sb(1)O6 octahedra, and edges with four equivalent Co(6)O6 octahedra. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to one O(1), one O(10), one O(11), one O(12), one O(2), and one O(6) atom to form SbO6 octahedra that share corners with three equivalent Co(3)O4 tetrahedra, corners with three equivalent Co(7)O4 tetrahedra,  an edgeedge with one Co(2)O6 octahedra,  an edgeedge with one Co(5)O6 octahedra,  an edgeedge with one Co(8)O6 octahedra,  an edgeedge with one Sb(2)O6 octahedra, and edges with two equivalent Co(6)O6 octahedra. In the second Sb site, Sb(2) is bonded to one O(2), one O(3), one O(4), one O(6), one O(7), and one O(8) atom to form SbO6 octahedra that share  a cornercorner with one Co(7)O4 tetrahedra, corners with two equivalent Co(3)O4 tetrahedra, corners with three equivalent Co(1)O4 tetrahedra,  an edgeedge with one Co(4)O6 octahedra,  an edgeedge with one Sb(1)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, and edges with two equivalent Co(5)O6 octahedra. There are twelve inequivalent O sites. In the first O site, O(1) is bonded to one Co(2), one Co(3), one Co(5), and one Sb(1) atom to form distorted OCo3Sb trigonal pyramids that share  a cornercorner with one O(2)Co2Sb2 trigonal pyramid,  a cornercorner with one O(6)Co2Sb2 trigonal pyramid,  a cornercorner with one O(9)Co4 trigonal pyramid,  an edgeedge with one O(2)Co2Sb2 trigonal pyramid, and  an edgeedge with one O(6)Co2Sb2 trigonal pyramid. In the second O site, O(2) is bonded to one Co(2), one Co(3), one Sb(1), and one Sb(2) atom to form distorted OCo2Sb2 trigonal pyramids that share  a cornercorner with one O(6)Co2Sb2 trigonal pyramid,  a cornercorner with one O(1)Co3Sb trigonal pyramid,  a cornercorner with one O(9)Co4 trigonal pyramid,  an edgeedge with one O(6)Co2Sb2 trigonal pyramid, and  an edgeedge with one O(1)Co3Sb trigonal pyramid. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Co(2), one Co(5), one Co(7), and one Sb(2) atom. In the fourth O site, O(4) is bonded in a rectangular see-saw-like geometry to one Co(1), one Co(2), one Co(4), and one Sb(2) atom. In the fifth O site, O(5) is bonded in a rectangular see-saw-like geometry to one Co(1), one Co(2), one Co(4), and one Co(5) atom. In the sixth O site, O(6) is bonded to one Co(3), one Co(5), one Sb(1), and one Sb(2) atom to form distorted OCo2Sb2 trigonal pyramids that share  a cornercorner with one O(2)Co2Sb2 trigonal pyramid,  a cornercorner with one O(1)Co3Sb trigonal pyramid,  a cornercorner with one O(9)Co4 trigonal pyramid,  an edgeedge with one O(2)Co2Sb2 trigonal pyramid, and  an edgeedge with one O(1)Co3Sb trigonal pyramid. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Co(1), one Co(4), one Co(5), and one Sb(2) atom. In the eighth O site, O(8) is bonded in a distorted rectangular see-saw-like geometry to one Co(1), one Co(2), one Co(5), and one Sb(2) atom. In the ninth O site, O(9) is bonded to one Co(3), one Co(8), and two equivalent Co(6) atoms to form distorted OCo4 trigonal pyramids that share  a cornercorner with one O(2)Co2Sb2 trigonal pyramid,  a cornercorner with one O(6)Co2Sb2 trigonal pyramid,  a cornercorner with one O(1)Co3Sb trigonal pyramid, and corners with three equivalent O(9)Co4 trigonal pyramids. In the tenth O site, O(10) is bonded in a rectangular see-saw-like geometry to one Co(7), two equivalent Co(6), and one Sb(1) atom. In the eleventh O site, O(11) is bonded in a rectangular see-saw-like geometry to one Co(6), one Co(7), one Co(8), and one Sb(1) atom. In the twelfth O site, O(12) is bonded in a rectangular see-saw-like geometry to one Co(6), one Co(7), one Co(8), and one Sb(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Co7(SbO6)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.114
_cell_length_b   6.114
_cell_length_c   15.121
_cell_angle_alpha   89.748
_cell_angle_beta   89.748
_cell_angle_gamma   60.394
_symmetry_Int_Tables_number   1
_cell_volume   491.487
_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
  Co  Co0  1  0.181  0.497  0.542  1.0
  Co  Co1  1  0.666  0.006  0.662  1.0
  Co  Co2  1  0.155  0.505  0.801  1.0
  Co  Co3  1  0.815  0.185  0.500  1.0
  Co  Co4  1  0.666  0.496  0.662  1.0
  Co  Co5  1  0.495  0.845  0.199  1.0
  Co  Co6  1  0.504  0.334  0.338  1.0
  Co  Co7  1  0.994  0.334  0.338  1.0
  Co  Co8  1  0.503  0.819  0.458  1.0
  Co  Co9  1  0.334  0.166  0.999  1.0
  Co  Co10  1  0.842  0.164  0.872  1.0
  Co  Co11  1  0.834  0.666  0.001  1.0
  Co  Co12  1  0.335  0.665  0.000  1.0
  Co  Co13  1  0.836  0.158  0.128  1.0
  Sb  Sb14  1  0.509  0.829  0.835  1.0
  Sb  Sb15  1  0.996  0.839  0.338  1.0
  Sb  Sb16  1  0.161  0.004  0.662  1.0
  Sb  Sb17  1  0.171  0.491  0.165  1.0
  O  O18  1  0.799  0.685  0.750  1.0
  O  O19  1  0.337  0.137  0.748  1.0
  O  O20  1  0.852  0.156  0.737  1.0
  O  O21  1  0.001  0.856  0.587  1.0
  O  O22  1  0.523  0.322  0.587  1.0
  O  O23  1  0.306  0.664  0.252  1.0
  O  O24  1  0.002  0.318  0.589  1.0
  O  O25  1  0.336  0.694  0.748  1.0
  O  O26  1  0.144  0.999  0.413  1.0
  O  O27  1  0.678  0.477  0.413  1.0
  O  O28  1  0.844  0.148  0.263  1.0
  O  O29  1  0.485  0.843  0.593  1.0
  O  O30  1  0.315  0.201  0.250  1.0
  O  O31  1  0.157  0.515  0.407  1.0
  O  O32  1  0.501  0.834  0.071  1.0
  O  O33  1  0.654  0.989  0.912  1.0
  O  O34  1  0.863  0.663  0.252  1.0
  O  O35  1  0.476  0.347  0.088  1.0
  O  O36  1  0.011  0.346  0.088  1.0
  O  O37  1  0.682  0.998  0.411  1.0
  O  O38  1  0.018  0.798  0.088  1.0
  O  O39  1  0.166  0.499  0.929  1.0
  O  O40  1  0.653  0.524  0.912  1.0
  O  O41  1  0.202  0.982  0.912  1.0
[/CIF]
.
The material structure described by Co7Sb2O12 is Spinel-like structured and crystallizes in the monoclinic C2 space group. There are eight inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(4), one O(5), one O(7), and one O(8) atom to form CoO4 tetrahedra that share corners with three equivalent Co(2)O6 octahedra, corners with three equivalent Co(4)O6 octahedra, corners with three equivalent Co(5)O6 octahedra, and corners with three equivalent Sb(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-64°. In the second Co site, Co(2) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(8) atom to form CoO6 octahedra that share  a cornercorner with one Co(7)O4 tetrahedra, corners with two equivalent Co(3)O4 tetrahedra, corners with three equivalent Co(1)O4 tetrahedra,  an edgeedge with one Co(4)O6 octahedra,  an edgeedge with one Sb(1)O6 octahedra, edges with two equivalent Co(5)O6 octahedra, and edges with two equivalent Sb(2)O6 octahedra. In the third Co site, Co(3) is bonded to one O(1), one O(2), one O(6), and one O(9) atom to form CoO4 tetrahedra that share  a cornercorner with one Co(8)O6 octahedra, corners with two equivalent Co(2)O6 octahedra, corners with two equivalent Co(5)O6 octahedra, corners with two equivalent Co(6)O6 octahedra, corners with two equivalent Sb(2)O6 octahedra, and corners with three equivalent Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 56-63°. In the fourth Co site, Co(4) is bonded to two equivalent O(4), two equivalent O(5), and two equivalent O(7) atoms to form CoO6 octahedra that share corners with six equivalent Co(1)O4 tetrahedra, edges with two equivalent Co(2)O6 octahedra, edges with two equivalent Co(5)O6 octahedra, and edges with two equivalent Sb(2)O6 octahedra. In the fifth Co site, Co(5) is bonded to one O(1), one O(3), one O(5), one O(6), one O(7), and one O(8) atom to form CoO6 octahedra that share  a cornercorner with one Co(7)O4 tetrahedra, corners with two equivalent Co(3)O4 tetrahedra, corners with three equivalent Co(1)O4 tetrahedra,  an edgeedge with one Co(4)O6 octahedra,  an edgeedge with one Sb(1)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, and edges with two equivalent Sb(2)O6 octahedra. In the sixth Co site, Co(6) is bonded to one O(11), one O(12), two equivalent O(10), and two equivalent O(9) atoms to form CoO6 octahedra that share corners with two equivalent Co(3)O4 tetrahedra, corners with four equivalent Co(7)O4 tetrahedra, edges with two equivalent Co(6)O6 octahedra, edges with two equivalent Co(8)O6 octahedra, and edges with two equivalent Sb(1)O6 octahedra. In the seventh Co site, Co(7) is bonded to one O(10), one O(11), one O(12), and one O(3) atom to form CoO4 tetrahedra that share  a cornercorner with one Co(2)O6 octahedra,  a cornercorner with one Co(5)O6 octahedra,  a cornercorner with one Sb(2)O6 octahedra, corners with two equivalent Co(8)O6 octahedra, corners with three equivalent Sb(1)O6 octahedra, and corners with four equivalent Co(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-60°. In the eighth Co site, Co(8) is bonded to two equivalent O(11), two equivalent O(12), and two equivalent O(9) atoms to form CoO6 octahedra that share corners with two equivalent Co(3)O4 tetrahedra, corners with four equivalent Co(7)O4 tetrahedra, edges with two equivalent Sb(1)O6 octahedra, and edges with four equivalent Co(6)O6 octahedra. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to one O(1), one O(10), one O(11), one O(12), one O(2), and one O(6) atom to form SbO6 octahedra that share corners with three equivalent Co(3)O4 tetrahedra, corners with three equivalent Co(7)O4 tetrahedra,  an edgeedge with one Co(2)O6 octahedra,  an edgeedge with one Co(5)O6 octahedra,  an edgeedge with one Co(8)O6 octahedra,  an edgeedge with one Sb(2)O6 octahedra, and edges with two equivalent Co(6)O6 octahedra. In the second Sb site, Sb(2) is bonded to one O(2), one O(3), one O(4), one O(6), one O(7), and one O(8) atom to form SbO6 octahedra that share  a cornercorner with one Co(7)O4 tetrahedra, corners with two equivalent Co(3)O4 tetrahedra, corners with three equivalent Co(1)O4 tetrahedra,  an edgeedge with one Co(4)O6 octahedra,  an edgeedge with one Sb(1)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, and edges with two equivalent Co(5)O6 octahedra. There are twelve inequivalent O sites. In the first O site, O(1) is bonded to one Co(2), one Co(3), one Co(5), and one Sb(1) atom to form distorted OCo3Sb trigonal pyramids that share  a cornercorner with one O(2)Co2Sb2 trigonal pyramid,  a cornercorner with one O(6)Co2Sb2 trigonal pyramid,  a cornercorner with one O(9)Co4 trigonal pyramid,  an edgeedge with one O(2)Co2Sb2 trigonal pyramid, and  an edgeedge with one O(6)Co2Sb2 trigonal pyramid. In the second O site, O(2) is bonded to one Co(2), one Co(3), one Sb(1), and one Sb(2) atom to form distorted OCo2Sb2 trigonal pyramids that share  a cornercorner with one O(6)Co2Sb2 trigonal pyramid,  a cornercorner with one O(1)Co3Sb trigonal pyramid,  a cornercorner with one O(9)Co4 trigonal pyramid,  an edgeedge with one O(6)Co2Sb2 trigonal pyramid, and  an edgeedge with one O(1)Co3Sb trigonal pyramid. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Co(2), one Co(5), one Co(7), and one Sb(2) atom. In the fourth O site, O(4) is bonded in a rectangular see-saw-like geometry to one Co(1), one Co(2), one Co(4), and one Sb(2) atom. In the fifth O site, O(5) is bonded in a rectangular see-saw-like geometry to one Co(1), one Co(2), one Co(4), and one Co(5) atom. In the sixth O site, O(6) is bonded to one Co(3), one Co(5), one Sb(1), and one Sb(2) atom to form distorted OCo2Sb2 trigonal pyramids that share  a cornercorner with one O(2)Co2Sb2 trigonal pyramid,  a cornercorner with one O(1)Co3Sb trigonal pyramid,  a cornercorner with one O(9)Co4 trigonal pyramid,  an edgeedge with one O(2)Co2Sb2 trigonal pyramid, and  an edgeedge with one O(1)Co3Sb trigonal pyramid. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Co(1), one Co(4), one Co(5), and one Sb(2) atom. In the eighth O site, O(8) is bonded in a distorted rectangular see-saw-like geometry to one Co(1), one Co(2), one Co(5), and one Sb(2) atom. In the ninth O site, O(9) is bonded to one Co(3), one Co(8), and two equivalent Co(6) atoms to form distorted OCo4 trigonal pyramids that share  a cornercorner with one O(2)Co2Sb2 trigonal pyramid,  a cornercorner with one O(6)Co2Sb2 trigonal pyramid,  a cornercorner with one O(1)Co3Sb trigonal pyramid, and corners with three equivalent O(9)Co4 trigonal pyramids. In the tenth O site, O(10) is bonded in a rectangular see-saw-like geometry to one Co(7), two equivalent Co(6), and one Sb(1) atom. In the eleventh O site, O(11) is bonded in a rectangular see-saw-like geometry to one Co(6), one Co(7), one Co(8), and one Sb(1) atom. In the twelfth O site, O(12) is bonded in a rectangular see-saw-like geometry to one Co(6), one Co(7), one Co(8), and one Sb(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Co7(SbO6)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.114
_cell_length_b   6.114
_cell_length_c   15.121
_cell_angle_alpha   89.748
_cell_angle_beta   89.748
_cell_angle_gamma   60.394
_symmetry_Int_Tables_number   1
_cell_volume   491.487
_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
  Co  Co0  1  0.181  0.497  0.542  1.0
  Co  Co1  1  0.666  0.006  0.662  1.0
  Co  Co2  1  0.155  0.505  0.801  1.0
  Co  Co3  1  0.815  0.185  0.500  1.0
  Co  Co4  1  0.666  0.496  0.662  1.0
  Co  Co5  1  0.495  0.845  0.199  1.0
  Co  Co6  1  0.504  0.334  0.338  1.0
  Co  Co7  1  0.994  0.334  0.338  1.0
  Co  Co8  1  0.503  0.819  0.458  1.0
  Co  Co9  1  0.334  0.166  0.999  1.0
  Co  Co10  1  0.842  0.164  0.872  1.0
  Co  Co11  1  0.834  0.666  0.001  1.0
  Co  Co12  1  0.335  0.665  0.000  1.0
  Co  Co13  1  0.836  0.158  0.128  1.0
  Sb  Sb14  1  0.509  0.829  0.835  1.0
  Sb  Sb15  1  0.996  0.839  0.338  1.0
  Sb  Sb16  1  0.161  0.004  0.662  1.0
  Sb  Sb17  1  0.171  0.491  0.165  1.0
  O  O18  1  0.799  0.685  0.750  1.0
  O  O19  1  0.337  0.137  0.748  1.0
  O  O20  1  0.852  0.156  0.737  1.0
  O  O21  1  0.001  0.856  0.587  1.0
  O  O22  1  0.523  0.322  0.587  1.0
  O  O23  1  0.306  0.664  0.252  1.0
  O  O24  1  0.002  0.318  0.589  1.0
  O  O25  1  0.336  0.694  0.748  1.0
  O  O26  1  0.144  0.999  0.413  1.0
  O  O27  1  0.678  0.477  0.413  1.0
  O  O28  1  0.844  0.148  0.263  1.0
  O  O29  1  0.485  0.843  0.593  1.0
  O  O30  1  0.315  0.201  0.250  1.0
  O  O31  1  0.157  0.515  0.407  1.0
  O  O32  1  0.501  0.834  0.071  1.0
  O  O33  1  0.654  0.989  0.912  1.0
  O  O34  1  0.863  0.663  0.252  1.0
  O  O35  1  0.476  0.347  0.088  1.0
  O  O36  1  0.011  0.346  0.088  1.0
  O  O37  1  0.682  0.998  0.411  1.0
  O  O38  1  0.018  0.798  0.088  1.0
  O  O39  1  0.166  0.499  0.929  1.0
  O  O40  1  0.653  0.524  0.912  1.0
  O  O41  1  0.202  0.982  0.912  1.0
[/CIF]
.