The compound described by Zn7Sb2O12 is Spinel-like structured and crystallizes in the monoclinic C2/c space group. There are five inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form ZnO4 tetrahedra that share corners with two equivalent Zn(4)O6 octahedra, corners with two equivalent Zn(5)O6 octahedra, corners with four equivalent Zn(2)O6 octahedra, and corners with four equivalent Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-63°. In the second Zn site, Zn(2) is bonded to one O(1), one O(4), one O(5), one O(6), and two equivalent O(2) atoms to form ZnO6 octahedra that share corners with two equivalent Zn(3)O4 tetrahedra, corners with four equivalent Zn(1)O4 tetrahedra,  an edgeedge with one Zn(2)O6 octahedra,  an edgeedge with one Zn(4)O6 octahedra,  an edgeedge with one Zn(5)O6 octahedra, and edges with three equivalent Sb(1)O6 octahedra. In the third Zn site, Zn(3) is bonded to two equivalent O(5) and two equivalent O(6) atoms to form ZnO4 tetrahedra that share corners with two equivalent Zn(4)O6 octahedra, corners with two equivalent Zn(5)O6 octahedra, corners with four equivalent Zn(2)O6 octahedra, and corners with four equivalent Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-63°. In the fourth Zn site, Zn(4) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms to form ZnO6 octahedra that share corners with two equivalent Zn(3)O4 tetrahedra, corners with four equivalent Zn(1)O4 tetrahedra, edges with two equivalent Zn(2)O6 octahedra, edges with two equivalent Zn(5)O6 octahedra, and edges with two equivalent Sb(1)O6 octahedra. In the fifth Zn site, Zn(5) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(6) atoms to form ZnO6 octahedra that share corners with two equivalent Zn(3)O4 tetrahedra, corners with four equivalent Zn(1)O4 tetrahedra, edges with two equivalent Zn(2)O6 octahedra, edges with two equivalent Zn(4)O6 octahedra, and edges with two equivalent Sb(1)O6 octahedra. Sb(1) is bonded to one O(2), one O(3), one O(5), one O(6), and two equivalent O(4) atoms to form SbO6 octahedra that share corners with two equivalent Zn(3)O4 tetrahedra, corners with four equivalent Zn(1)O4 tetrahedra,  an edgeedge with one Zn(4)O6 octahedra,  an edgeedge with one Zn(5)O6 octahedra,  an edgeedge with one Sb(1)O6 octahedra, and edges with three equivalent Zn(2)O6 octahedra. There are six inequivalent O sites. In the first O site, O(1) is bonded in a distorted rectangular see-saw-like geometry to one Zn(1), one Zn(2), one Zn(4), and one Zn(5) atom. In the second O site, O(2) is bonded to one Zn(1), two equivalent Zn(2), and one Sb(1) atom to form distorted edge-sharing OZn3Sb trigonal pyramids. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Zn(1), one Zn(4), one Zn(5), and one Sb(1) atom. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to one Zn(1), one Zn(2), and two equivalent Sb(1) atoms. In the fifth O site, O(5) is bonded in a rectangular see-saw-like geometry to one Zn(2), one Zn(3), one Zn(4), and one Sb(1) atom. In the sixth O site, O(6) is bonded in a rectangular see-saw-like geometry to one Zn(2), one Zn(3), one Zn(5), and one Sb(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Zn7(SbO6)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.176
_cell_length_b   6.176
_cell_length_c   13.680
_cell_angle_alpha   78.047
_cell_angle_beta   78.047
_cell_angle_gamma   89.996
_symmetry_Int_Tables_number   1
_cell_volume   498.938
_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
  Zn  Zn0  1  0.699  0.987  0.576  1.0
  Zn  Zn1  1  0.013  0.301  0.924  1.0
  Zn  Zn2  1  0.334  0.818  0.840  1.0
  Zn  Zn3  1  0.987  0.699  0.076  1.0
  Zn  Zn4  1  0.360  0.640  0.250  1.0
  Zn  Zn5  1  0.818  0.334  0.340  1.0
  Zn  Zn6  1  0.666  0.182  0.160  1.0
  Zn  Zn7  1  0.301  0.013  0.424  1.0
  Zn  Zn8  1  0.182  0.666  0.660  1.0
  Zn  Zn9  1  0.500  0.500  0.500  1.0
  Zn  Zn10  1  0.000  0.500  0.500  1.0
  Zn  Zn11  1  0.640  0.360  0.750  1.0
  Zn  Zn12  1  0.500  0.000  0.000  1.0
  Zn  Zn13  1  0.500  0.500  0.000  1.0
  Sb  Sb14  1  0.825  0.830  0.335  1.0
  Sb  Sb15  1  0.175  0.170  0.665  1.0
  Sb  Sb16  1  0.830  0.825  0.835  1.0
  Sb  Sb17  1  0.170  0.175  0.165  1.0
  O  O18  1  0.286  0.749  0.994  1.0
  O  O19  1  0.926  0.391  0.173  1.0
  O  O20  1  0.240  0.243  0.012  1.0
  O  O21  1  0.609  0.074  0.327  1.0
  O  O22  1  0.925  0.929  0.176  1.0
  O  O23  1  0.757  0.760  0.488  1.0
  O  O24  1  0.251  0.714  0.506  1.0
  O  O25  1  0.397  0.397  0.671  1.0
  O  O26  1  0.603  0.603  0.329  1.0
  O  O27  1  0.949  0.400  0.664  1.0
  O  O28  1  0.243  0.240  0.512  1.0
  O  O29  1  0.749  0.286  0.494  1.0
  O  O30  1  0.075  0.071  0.824  1.0
  O  O31  1  0.600  0.051  0.836  1.0
  O  O32  1  0.760  0.757  0.988  1.0
  O  O33  1  0.391  0.926  0.673  1.0
  O  O34  1  0.929  0.925  0.676  1.0
  O  O35  1  0.074  0.609  0.827  1.0
  O  O36  1  0.603  0.603  0.829  1.0
  O  O37  1  0.397  0.397  0.171  1.0
  O  O38  1  0.071  0.075  0.324  1.0
  O  O39  1  0.714  0.251  0.006  1.0
  O  O40  1  0.400  0.949  0.164  1.0
  O  O41  1  0.051  0.600  0.336  1.0
[/CIF]
.
The compound described by Zn7Sb2O12 is Spinel-like structured and crystallizes in the monoclinic C2/c space group. There are five inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form ZnO4 tetrahedra that share corners with two equivalent Zn(4)O6 octahedra, corners with two equivalent Zn(5)O6 octahedra, corners with four equivalent Zn(2)O6 octahedra, and corners with four equivalent Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-63°. In the second Zn site, Zn(2) is bonded to one O(1), one O(4), one O(5), one O(6), and two equivalent O(2) atoms to form ZnO6 octahedra that share corners with two equivalent Zn(3)O4 tetrahedra, corners with four equivalent Zn(1)O4 tetrahedra,  an edgeedge with one Zn(2)O6 octahedra,  an edgeedge with one Zn(4)O6 octahedra,  an edgeedge with one Zn(5)O6 octahedra, and edges with three equivalent Sb(1)O6 octahedra. In the third Zn site, Zn(3) is bonded to two equivalent O(5) and two equivalent O(6) atoms to form ZnO4 tetrahedra that share corners with two equivalent Zn(4)O6 octahedra, corners with two equivalent Zn(5)O6 octahedra, corners with four equivalent Zn(2)O6 octahedra, and corners with four equivalent Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-63°. In the fourth Zn site, Zn(4) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms to form ZnO6 octahedra that share corners with two equivalent Zn(3)O4 tetrahedra, corners with four equivalent Zn(1)O4 tetrahedra, edges with two equivalent Zn(2)O6 octahedra, edges with two equivalent Zn(5)O6 octahedra, and edges with two equivalent Sb(1)O6 octahedra. In the fifth Zn site, Zn(5) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(6) atoms to form ZnO6 octahedra that share corners with two equivalent Zn(3)O4 tetrahedra, corners with four equivalent Zn(1)O4 tetrahedra, edges with two equivalent Zn(2)O6 octahedra, edges with two equivalent Zn(4)O6 octahedra, and edges with two equivalent Sb(1)O6 octahedra. Sb(1) is bonded to one O(2), one O(3), one O(5), one O(6), and two equivalent O(4) atoms to form SbO6 octahedra that share corners with two equivalent Zn(3)O4 tetrahedra, corners with four equivalent Zn(1)O4 tetrahedra,  an edgeedge with one Zn(4)O6 octahedra,  an edgeedge with one Zn(5)O6 octahedra,  an edgeedge with one Sb(1)O6 octahedra, and edges with three equivalent Zn(2)O6 octahedra. There are six inequivalent O sites. In the first O site, O(1) is bonded in a distorted rectangular see-saw-like geometry to one Zn(1), one Zn(2), one Zn(4), and one Zn(5) atom. In the second O site, O(2) is bonded to one Zn(1), two equivalent Zn(2), and one Sb(1) atom to form distorted edge-sharing OZn3Sb trigonal pyramids. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Zn(1), one Zn(4), one Zn(5), and one Sb(1) atom. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to one Zn(1), one Zn(2), and two equivalent Sb(1) atoms. In the fifth O site, O(5) is bonded in a rectangular see-saw-like geometry to one Zn(2), one Zn(3), one Zn(4), and one Sb(1) atom. In the sixth O site, O(6) is bonded in a rectangular see-saw-like geometry to one Zn(2), one Zn(3), one Zn(5), and one Sb(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Zn7(SbO6)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.176
_cell_length_b   6.176
_cell_length_c   13.680
_cell_angle_alpha   78.047
_cell_angle_beta   78.047
_cell_angle_gamma   89.996
_symmetry_Int_Tables_number   1
_cell_volume   498.938
_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
  Zn  Zn0  1  0.699  0.987  0.576  1.0
  Zn  Zn1  1  0.013  0.301  0.924  1.0
  Zn  Zn2  1  0.334  0.818  0.840  1.0
  Zn  Zn3  1  0.987  0.699  0.076  1.0
  Zn  Zn4  1  0.360  0.640  0.250  1.0
  Zn  Zn5  1  0.818  0.334  0.340  1.0
  Zn  Zn6  1  0.666  0.182  0.160  1.0
  Zn  Zn7  1  0.301  0.013  0.424  1.0
  Zn  Zn8  1  0.182  0.666  0.660  1.0
  Zn  Zn9  1  0.500  0.500  0.500  1.0
  Zn  Zn10  1  0.000  0.500  0.500  1.0
  Zn  Zn11  1  0.640  0.360  0.750  1.0
  Zn  Zn12  1  0.500  0.000  0.000  1.0
  Zn  Zn13  1  0.500  0.500  0.000  1.0
  Sb  Sb14  1  0.825  0.830  0.335  1.0
  Sb  Sb15  1  0.175  0.170  0.665  1.0
  Sb  Sb16  1  0.830  0.825  0.835  1.0
  Sb  Sb17  1  0.170  0.175  0.165  1.0
  O  O18  1  0.286  0.749  0.994  1.0
  O  O19  1  0.926  0.391  0.173  1.0
  O  O20  1  0.240  0.243  0.012  1.0
  O  O21  1  0.609  0.074  0.327  1.0
  O  O22  1  0.925  0.929  0.176  1.0
  O  O23  1  0.757  0.760  0.488  1.0
  O  O24  1  0.251  0.714  0.506  1.0
  O  O25  1  0.397  0.397  0.671  1.0
  O  O26  1  0.603  0.603  0.329  1.0
  O  O27  1  0.949  0.400  0.664  1.0
  O  O28  1  0.243  0.240  0.512  1.0
  O  O29  1  0.749  0.286  0.494  1.0
  O  O30  1  0.075  0.071  0.824  1.0
  O  O31  1  0.600  0.051  0.836  1.0
  O  O32  1  0.760  0.757  0.988  1.0
  O  O33  1  0.391  0.926  0.673  1.0
  O  O34  1  0.929  0.925  0.676  1.0
  O  O35  1  0.074  0.609  0.827  1.0
  O  O36  1  0.603  0.603  0.829  1.0
  O  O37  1  0.397  0.397  0.171  1.0
  O  O38  1  0.071  0.075  0.324  1.0
  O  O39  1  0.714  0.251  0.006  1.0
  O  O40  1  0.400  0.949  0.164  1.0
  O  O41  1  0.051  0.600  0.336  1.0
[/CIF]
.