The crystal structure described by Zn(WO2)2 is Ilmenite-like structured and crystallizes in the triclinic P1 space group. There are eight inequivalent W sites. In the first W site, W(1) is bonded to one O(1), one O(11), one O(13), one O(15), one O(5), and one O(9) atom to form WO6 octahedra that share  a cornercorner with one Zn(1)O4 trigonal pyramid, edges with two equivalent W(3)O6 octahedra, edges with two equivalent W(5)O6 octahedra, and edges with two equivalent W(7)O6 octahedra. In the second W site, W(2) is bonded to one O(10), one O(12), one O(14), one O(16), one O(2), and one O(6) atom to form WO6 octahedra that share  a cornercorner with one Zn(1)O4 trigonal pyramid, edges with two equivalent W(4)O6 octahedra, edges with two equivalent W(6)O6 octahedra, and edges with two equivalent W(8)O6 octahedra. In the third W site, W(3) is bonded to one O(11), one O(13), one O(15), one O(3), one O(7), and one O(9) atom to form WO6 octahedra that share corners with two equivalent Zn(1)O4 trigonal pyramids, edges with two equivalent W(1)O6 octahedra, edges with two equivalent W(5)O6 octahedra, and edges with two equivalent W(7)O6 octahedra. In the fourth W site, W(4) is bonded to one O(10), one O(12), one O(14), one O(16), one O(4), and one O(8) atom to form WO6 octahedra that share corners with two equivalent Zn(1)O4 trigonal pyramids, edges with two equivalent W(2)O6 octahedra, edges with two equivalent W(6)O6 octahedra, and edges with two equivalent W(8)O6 octahedra. In the fifth W site, W(5) is bonded to one O(1), one O(13), one O(3), one O(5), one O(7), and one O(9) atom to form WO6 octahedra that share  a cornercorner with one Zn(1)O4 trigonal pyramid, edges with two equivalent W(1)O6 octahedra, edges with two equivalent W(3)O6 octahedra, and edges with two equivalent W(7)O6 octahedra. In the sixth W site, W(6) is bonded to one O(10), one O(14), one O(2), one O(4), one O(6), and one O(8) atom to form WO6 octahedra that share  a cornercorner with one Zn(1)O4 trigonal pyramid, edges with two equivalent W(2)O6 octahedra, edges with two equivalent W(4)O6 octahedra, and edges with two equivalent W(8)O6 octahedra. In the seventh W site, W(7) is bonded to one O(1), one O(11), one O(15), one O(3), one O(5), and one O(7) atom to form WO6 octahedra that share edges with two equivalent W(1)O6 octahedra, edges with two equivalent W(3)O6 octahedra, edges with two equivalent W(5)O6 octahedra, and  an edgeedge with one Zn(1)O4 trigonal pyramid. In the eighth W site, W(8) is bonded to one O(12), one O(16), one O(2), one O(4), one O(6), and one O(8) atom to form WO6 octahedra that share edges with two equivalent W(2)O6 octahedra, edges with two equivalent W(4)O6 octahedra, edges with two equivalent W(6)O6 octahedra, and  an edgeedge with one Zn(1)O4 trigonal pyramid. There are four inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to one O(15), one O(16), one O(3), and one O(4) atom to form distorted ZnO4 trigonal pyramids that share  a cornercorner with one W(1)O6 octahedra,  a cornercorner with one W(2)O6 octahedra,  a cornercorner with one W(5)O6 octahedra,  a cornercorner with one W(6)O6 octahedra, corners with two equivalent W(3)O6 octahedra, corners with two equivalent W(4)O6 octahedra,  an edgeedge with one W(7)O6 octahedra, and  an edgeedge with one W(8)O6 octahedra. The corner-sharing octahedral tilt angles range from 20-79°. In the second Zn site, Zn(2) is bonded in a distorted see-saw-like geometry to one O(1), one O(11), one O(12), and one O(2) atom. In the third Zn site, Zn(3) is bonded in a distorted rectangular see-saw-like geometry to one O(13), one O(14), one O(7), and one O(8) atom. In the fourth Zn site, Zn(4) is bonded in a distorted rectangular see-saw-like geometry to one O(10), one O(5), one O(6), and one O(9) atom. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded to one W(1), one W(5), one W(7), and one Zn(2) atom to form a mixture of distorted edge and corner-sharing OZnW3 trigonal pyramids. In the second O site, O(2) is bonded to one W(2), one W(6), one W(8), and one Zn(2) atom to form a mixture of distorted edge and corner-sharing OZnW3 trigonal pyramids. In the third O site, O(3) is bonded to one W(3), one W(5), one W(7), and one Zn(1) atom to form a mixture of distorted edge and corner-sharing OZnW3 trigonal pyramids. In the fourth O site, O(4) is bonded to one W(4), one W(6), one W(8), and one Zn(1) atom to form a mixture of distorted edge and corner-sharing OZnW3 trigonal pyramids. In the fifth O site, O(5) is bonded to one W(1), one W(5), one W(7), and one Zn(4) atom to form a mixture of distorted edge and corner-sharing OZnW3 trigonal pyramids. In the sixth O site, O(6) is bonded to one W(2), one W(6), one W(8), and one Zn(4) atom to form a mixture of distorted edge and corner-sharing OZnW3 trigonal pyramids. In the seventh O site, O(7) is bonded to one W(3), one W(5), one W(7), and one Zn(3) atom to form a mixture of distorted edge and corner-sharing OZnW3 trigonal pyramids. In the eighth O site, O(8) is bonded to one W(4), one W(6), one W(8), and one Zn(3) atom to form a mixture of distorted edge and corner-sharing OZnW3 trigonal pyramids. In the ninth O site, O(9) is bonded to one W(1), one W(3), one W(5), and one Zn(4) atom to form a mixture of distorted edge and corner-sharing OZnW3 trigonal pyramids. In the tenth O site, O(10) is bonded to one W(2), one W(4), one W(6), and one Zn(4) atom to form a mixture of distorted edge and corner-sharing OZnW3 trigonal pyramids. In the eleventh O site, O(11) is bonded to one W(1), one W(3), one W(7), and one Zn(2) atom to form a mixture of distorted edge and corner-sharing OZnW3 trigonal pyramids. In the twelfth O site, O(12) is bonded in a distorted see-saw-like geometry to one W(2), one W(4), one W(8), and one Zn(2) atom. In the thirteenth O site, O(13) is bonded to one W(1), one W(3), one W(5), and one Zn(3) atom to form a mixture of distorted edge and corner-sharing OZnW3 trigonal pyramids. In the fourteenth O site, O(14) is bonded to one W(2), one W(4), one W(6), and one Zn(3) atom to form a mixture of distorted edge and corner-sharing OZnW3 trigonal pyramids. In the fifteenth O site, O(15) is bonded to one W(1), one W(3), one W(7), and one Zn(1) atom to form a mixture of distorted edge and corner-sharing OZnW3 trigonal pyramids. In the sixteenth O site, O(16) is bonded to one W(2), one W(4), one W(8), and one Zn(1) atom to form a mixture of distorted edge and corner-sharing OZnW3 trigonal pyramids. is represented by the Crystallographic Information File (CIF) [CIF]
data_Zn(WO2)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.593
_cell_length_b   6.753
_cell_length_c   10.559
_cell_angle_alpha   106.703
_cell_angle_beta   90.295
_cell_angle_gamma   89.947
_symmetry_Int_Tables_number   1
_cell_volume   381.964
_cell_formula_units_Z   4
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  0.881  0.746  0.250  1.0
  Zn  Zn1  1  0.120  0.237  0.751  1.0
  Zn  Zn2  1  0.585  0.747  0.749  1.0
  Zn  Zn3  1  0.417  0.245  0.251  1.0
  W  W4  1  0.515  0.259  0.519  1.0
  W  W5  1  0.512  0.244  0.983  1.0
  W  W6  1  0.488  0.742  0.481  1.0
  W  W7  1  0.485  0.759  0.017  1.0
  W  W8  1  0.001  0.501  0.501  1.0
  W  W9  1  0.999  0.002  0.001  1.0
  W  W10  1  0.000  0.001  0.499  1.0
  W  W11  1  0.999  0.502  0.999  1.0
  O  O12  1  0.875  0.300  0.614  1.0
  O  O13  1  0.871  0.201  0.886  1.0
  O  O14  1  0.126  0.700  0.386  1.0
  O  O15  1  0.127  0.801  0.114  1.0
  O  O16  1  0.193  0.213  0.401  1.0
  O  O17  1  0.193  0.290  0.100  1.0
  O  O18  1  0.809  0.789  0.599  1.0
  O  O19  1  0.806  0.715  0.900  1.0
  O  O20  1  0.649  0.440  0.392  1.0
  O  O21  1  0.647  0.060  0.109  1.0
  O  O22  1  0.332  0.049  0.610  1.0
  O  O23  1  0.330  0.450  0.889  1.0
  O  O24  1  0.355  0.561  0.609  1.0
  O  O25  1  0.349  0.944  0.891  1.0
  O  O26  1  0.667  0.951  0.389  1.0
  O  O27  1  0.669  0.552  0.109  1.0
[/CIF]
.
The crystal structure described by Zn(WO2)2 is Ilmenite-like structured and crystallizes in the triclinic P1 space group. There are eight inequivalent W sites. In the first W site, W(1) is bonded to one O(1), one O(11), one O(13), one O(15), one O(5), and one O(9) atom to form WO6 octahedra that share  a cornercorner with one Zn(1)O4 trigonal pyramid, edges with two equivalent W(3)O6 octahedra, edges with two equivalent W(5)O6 octahedra, and edges with two equivalent W(7)O6 octahedra. In the second W site, W(2) is bonded to one O(10), one O(12), one O(14), one O(16), one O(2), and one O(6) atom to form WO6 octahedra that share  a cornercorner with one Zn(1)O4 trigonal pyramid, edges with two equivalent W(4)O6 octahedra, edges with two equivalent W(6)O6 octahedra, and edges with two equivalent W(8)O6 octahedra. In the third W site, W(3) is bonded to one O(11), one O(13), one O(15), one O(3), one O(7), and one O(9) atom to form WO6 octahedra that share corners with two equivalent Zn(1)O4 trigonal pyramids, edges with two equivalent W(1)O6 octahedra, edges with two equivalent W(5)O6 octahedra, and edges with two equivalent W(7)O6 octahedra. In the fourth W site, W(4) is bonded to one O(10), one O(12), one O(14), one O(16), one O(4), and one O(8) atom to form WO6 octahedra that share corners with two equivalent Zn(1)O4 trigonal pyramids, edges with two equivalent W(2)O6 octahedra, edges with two equivalent W(6)O6 octahedra, and edges with two equivalent W(8)O6 octahedra. In the fifth W site, W(5) is bonded to one O(1), one O(13), one O(3), one O(5), one O(7), and one O(9) atom to form WO6 octahedra that share  a cornercorner with one Zn(1)O4 trigonal pyramid, edges with two equivalent W(1)O6 octahedra, edges with two equivalent W(3)O6 octahedra, and edges with two equivalent W(7)O6 octahedra. In the sixth W site, W(6) is bonded to one O(10), one O(14), one O(2), one O(4), one O(6), and one O(8) atom to form WO6 octahedra that share  a cornercorner with one Zn(1)O4 trigonal pyramid, edges with two equivalent W(2)O6 octahedra, edges with two equivalent W(4)O6 octahedra, and edges with two equivalent W(8)O6 octahedra. In the seventh W site, W(7) is bonded to one O(1), one O(11), one O(15), one O(3), one O(5), and one O(7) atom to form WO6 octahedra that share edges with two equivalent W(1)O6 octahedra, edges with two equivalent W(3)O6 octahedra, edges with two equivalent W(5)O6 octahedra, and  an edgeedge with one Zn(1)O4 trigonal pyramid. In the eighth W site, W(8) is bonded to one O(12), one O(16), one O(2), one O(4), one O(6), and one O(8) atom to form WO6 octahedra that share edges with two equivalent W(2)O6 octahedra, edges with two equivalent W(4)O6 octahedra, edges with two equivalent W(6)O6 octahedra, and  an edgeedge with one Zn(1)O4 trigonal pyramid. There are four inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to one O(15), one O(16), one O(3), and one O(4) atom to form distorted ZnO4 trigonal pyramids that share  a cornercorner with one W(1)O6 octahedra,  a cornercorner with one W(2)O6 octahedra,  a cornercorner with one W(5)O6 octahedra,  a cornercorner with one W(6)O6 octahedra, corners with two equivalent W(3)O6 octahedra, corners with two equivalent W(4)O6 octahedra,  an edgeedge with one W(7)O6 octahedra, and  an edgeedge with one W(8)O6 octahedra. The corner-sharing octahedral tilt angles range from 20-79°. In the second Zn site, Zn(2) is bonded in a distorted see-saw-like geometry to one O(1), one O(11), one O(12), and one O(2) atom. In the third Zn site, Zn(3) is bonded in a distorted rectangular see-saw-like geometry to one O(13), one O(14), one O(7), and one O(8) atom. In the fourth Zn site, Zn(4) is bonded in a distorted rectangular see-saw-like geometry to one O(10), one O(5), one O(6), and one O(9) atom. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded to one W(1), one W(5), one W(7), and one Zn(2) atom to form a mixture of distorted edge and corner-sharing OZnW3 trigonal pyramids. In the second O site, O(2) is bonded to one W(2), one W(6), one W(8), and one Zn(2) atom to form a mixture of distorted edge and corner-sharing OZnW3 trigonal pyramids. In the third O site, O(3) is bonded to one W(3), one W(5), one W(7), and one Zn(1) atom to form a mixture of distorted edge and corner-sharing OZnW3 trigonal pyramids. In the fourth O site, O(4) is bonded to one W(4), one W(6), one W(8), and one Zn(1) atom to form a mixture of distorted edge and corner-sharing OZnW3 trigonal pyramids. In the fifth O site, O(5) is bonded to one W(1), one W(5), one W(7), and one Zn(4) atom to form a mixture of distorted edge and corner-sharing OZnW3 trigonal pyramids. In the sixth O site, O(6) is bonded to one W(2), one W(6), one W(8), and one Zn(4) atom to form a mixture of distorted edge and corner-sharing OZnW3 trigonal pyramids. In the seventh O site, O(7) is bonded to one W(3), one W(5), one W(7), and one Zn(3) atom to form a mixture of distorted edge and corner-sharing OZnW3 trigonal pyramids. In the eighth O site, O(8) is bonded to one W(4), one W(6), one W(8), and one Zn(3) atom to form a mixture of distorted edge and corner-sharing OZnW3 trigonal pyramids. In the ninth O site, O(9) is bonded to one W(1), one W(3), one W(5), and one Zn(4) atom to form a mixture of distorted edge and corner-sharing OZnW3 trigonal pyramids. In the tenth O site, O(10) is bonded to one W(2), one W(4), one W(6), and one Zn(4) atom to form a mixture of distorted edge and corner-sharing OZnW3 trigonal pyramids. In the eleventh O site, O(11) is bonded to one W(1), one W(3), one W(7), and one Zn(2) atom to form a mixture of distorted edge and corner-sharing OZnW3 trigonal pyramids. In the twelfth O site, O(12) is bonded in a distorted see-saw-like geometry to one W(2), one W(4), one W(8), and one Zn(2) atom. In the thirteenth O site, O(13) is bonded to one W(1), one W(3), one W(5), and one Zn(3) atom to form a mixture of distorted edge and corner-sharing OZnW3 trigonal pyramids. In the fourteenth O site, O(14) is bonded to one W(2), one W(4), one W(6), and one Zn(3) atom to form a mixture of distorted edge and corner-sharing OZnW3 trigonal pyramids. In the fifteenth O site, O(15) is bonded to one W(1), one W(3), one W(7), and one Zn(1) atom to form a mixture of distorted edge and corner-sharing OZnW3 trigonal pyramids. In the sixteenth O site, O(16) is bonded to one W(2), one W(4), one W(8), and one Zn(1) atom to form a mixture of distorted edge and corner-sharing OZnW3 trigonal pyramids. is represented by the Crystallographic Information File (CIF) [CIF]
data_Zn(WO2)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.593
_cell_length_b   6.753
_cell_length_c   10.559
_cell_angle_alpha   106.703
_cell_angle_beta   90.295
_cell_angle_gamma   89.947
_symmetry_Int_Tables_number   1
_cell_volume   381.964
_cell_formula_units_Z   4
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  0.881  0.746  0.250  1.0
  Zn  Zn1  1  0.120  0.237  0.751  1.0
  Zn  Zn2  1  0.585  0.747  0.749  1.0
  Zn  Zn3  1  0.417  0.245  0.251  1.0
  W  W4  1  0.515  0.259  0.519  1.0
  W  W5  1  0.512  0.244  0.983  1.0
  W  W6  1  0.488  0.742  0.481  1.0
  W  W7  1  0.485  0.759  0.017  1.0
  W  W8  1  0.001  0.501  0.501  1.0
  W  W9  1  0.999  0.002  0.001  1.0
  W  W10  1  0.000  0.001  0.499  1.0
  W  W11  1  0.999  0.502  0.999  1.0
  O  O12  1  0.875  0.300  0.614  1.0
  O  O13  1  0.871  0.201  0.886  1.0
  O  O14  1  0.126  0.700  0.386  1.0
  O  O15  1  0.127  0.801  0.114  1.0
  O  O16  1  0.193  0.213  0.401  1.0
  O  O17  1  0.193  0.290  0.100  1.0
  O  O18  1  0.809  0.789  0.599  1.0
  O  O19  1  0.806  0.715  0.900  1.0
  O  O20  1  0.649  0.440  0.392  1.0
  O  O21  1  0.647  0.060  0.109  1.0
  O  O22  1  0.332  0.049  0.610  1.0
  O  O23  1  0.330  0.450  0.889  1.0
  O  O24  1  0.355  0.561  0.609  1.0
  O  O25  1  0.349  0.944  0.891  1.0
  O  O26  1  0.667  0.951  0.389  1.0
  O  O27  1  0.669  0.552  0.109  1.0
[/CIF]
.