The compound described by W3Zn2O8 crystallizes in the hexagonal P6_3mc space group. W(1) is bonded to one O(3), one O(4), two equivalent O(1), and two equivalent O(2) atoms to form WO6 octahedra that share corners with two equivalent Zn(1)O6 octahedra, corners with three equivalent Zn(2)O4 trigonal pyramids,  an edgeedge with one Zn(1)O6 octahedra, and edges with four equivalent W(1)O6 octahedra. The corner-sharing octahedral tilt angles are 52°. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to three equivalent O(1) and three equivalent O(2) atoms to form distorted ZnO6 octahedra that share corners with six equivalent W(1)O6 octahedra, corners with three equivalent Zn(2)O4 trigonal pyramids, and edges with three equivalent W(1)O6 octahedra. The corner-sharing octahedral tilt angles are 52°. In the second Zn site, Zn(2) is bonded to one O(4) and three equivalent O(2) atoms to form ZnO4 trigonal pyramids that share corners with three equivalent Zn(1)O6 octahedra and corners with nine equivalent W(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-64°. There are four inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to two equivalent W(1) and one Zn(1) atom. In the second O site, O(2) is bonded to two equivalent W(1), one Zn(1), and one Zn(2) atom to form distorted OZn2W2 tetrahedra that share  a cornercorner with one O(4)ZnW3 tetrahedra, corners with two equivalent O(2)Zn2W2 tetrahedra,  an edgeedge with one O(4)ZnW3 tetrahedra, and edges with two equivalent O(2)Zn2W2 tetrahedra. In the third O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to three equivalent W(1) atoms. In the fourth O site, O(4) is bonded to three equivalent W(1) and one Zn(2) atom to form a mixture of distorted corner and edge-sharing OZnW3 tetrahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_Zn2W3O8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.354
_cell_length_b   6.354
_cell_length_c   9.361
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   327.290
_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  0.667  0.333  0.041  1.0
  Zn  Zn1  1  0.333  0.667  0.541  1.0
  Zn  Zn2  1  0.667  0.333  0.402  1.0
  Zn  Zn3  1  0.333  0.667  0.902  1.0
  W  W4  1  0.671  0.835  0.245  1.0
  W  W5  1  0.835  0.165  0.745  1.0
  W  W6  1  0.165  0.329  0.245  1.0
  W  W7  1  0.835  0.671  0.745  1.0
  W  W8  1  0.329  0.165  0.745  1.0
  W  W9  1  0.165  0.835  0.245  1.0
  O  O10  1  0.833  0.167  0.142  1.0
  O  O11  1  0.666  0.833  0.642  1.0
  O  O12  1  0.167  0.334  0.642  1.0
  O  O13  1  0.833  0.666  0.142  1.0
  O  O14  1  0.334  0.167  0.142  1.0
  O  O15  1  0.167  0.833  0.642  1.0
  O  O16  1  0.513  0.487  0.869  1.0
  O  O17  1  0.027  0.513  0.369  1.0
  O  O18  1  0.487  0.973  0.369  1.0
  O  O19  1  0.513  0.027  0.869  1.0
  O  O20  1  0.000  0.000  0.353  1.0
  O  O21  1  0.000  0.000  0.853  1.0
  O  O22  1  0.333  0.667  0.131  1.0
  O  O23  1  0.973  0.487  0.869  1.0
  O  O24  1  0.487  0.513  0.369  1.0
  O  O25  1  0.667  0.333  0.631  1.0
[/CIF]
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The compound described by W3Zn2O8 crystallizes in the hexagonal P6_3mc space group. W(1) is bonded to one O(3), one O(4), two equivalent O(1), and two equivalent O(2) atoms to form WO6 octahedra that share corners with two equivalent Zn(1)O6 octahedra, corners with three equivalent Zn(2)O4 trigonal pyramids,  an edgeedge with one Zn(1)O6 octahedra, and edges with four equivalent W(1)O6 octahedra. The corner-sharing octahedral tilt angles are 52°. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to three equivalent O(1) and three equivalent O(2) atoms to form distorted ZnO6 octahedra that share corners with six equivalent W(1)O6 octahedra, corners with three equivalent Zn(2)O4 trigonal pyramids, and edges with three equivalent W(1)O6 octahedra. The corner-sharing octahedral tilt angles are 52°. In the second Zn site, Zn(2) is bonded to one O(4) and three equivalent O(2) atoms to form ZnO4 trigonal pyramids that share corners with three equivalent Zn(1)O6 octahedra and corners with nine equivalent W(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-64°. There are four inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to two equivalent W(1) and one Zn(1) atom. In the second O site, O(2) is bonded to two equivalent W(1), one Zn(1), and one Zn(2) atom to form distorted OZn2W2 tetrahedra that share  a cornercorner with one O(4)ZnW3 tetrahedra, corners with two equivalent O(2)Zn2W2 tetrahedra,  an edgeedge with one O(4)ZnW3 tetrahedra, and edges with two equivalent O(2)Zn2W2 tetrahedra. In the third O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to three equivalent W(1) atoms. In the fourth O site, O(4) is bonded to three equivalent W(1) and one Zn(2) atom to form a mixture of distorted corner and edge-sharing OZnW3 tetrahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_Zn2W3O8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.354
_cell_length_b   6.354
_cell_length_c   9.361
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   327.290
_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  0.667  0.333  0.041  1.0
  Zn  Zn1  1  0.333  0.667  0.541  1.0
  Zn  Zn2  1  0.667  0.333  0.402  1.0
  Zn  Zn3  1  0.333  0.667  0.902  1.0
  W  W4  1  0.671  0.835  0.245  1.0
  W  W5  1  0.835  0.165  0.745  1.0
  W  W6  1  0.165  0.329  0.245  1.0
  W  W7  1  0.835  0.671  0.745  1.0
  W  W8  1  0.329  0.165  0.745  1.0
  W  W9  1  0.165  0.835  0.245  1.0
  O  O10  1  0.833  0.167  0.142  1.0
  O  O11  1  0.666  0.833  0.642  1.0
  O  O12  1  0.167  0.334  0.642  1.0
  O  O13  1  0.833  0.666  0.142  1.0
  O  O14  1  0.334  0.167  0.142  1.0
  O  O15  1  0.167  0.833  0.642  1.0
  O  O16  1  0.513  0.487  0.869  1.0
  O  O17  1  0.027  0.513  0.369  1.0
  O  O18  1  0.487  0.973  0.369  1.0
  O  O19  1  0.513  0.027  0.869  1.0
  O  O20  1  0.000  0.000  0.353  1.0
  O  O21  1  0.000  0.000  0.853  1.0
  O  O22  1  0.333  0.667  0.131  1.0
  O  O23  1  0.973  0.487  0.869  1.0
  O  O24  1  0.487  0.513  0.369  1.0
  O  O25  1  0.667  0.333  0.631  1.0
[/CIF]
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