The crystal structure described by Y(WO2)2 is Spinel structured and crystallizes in the trigonal R-3m space group. Y(1) is bonded to one O(2) and three equivalent O(1) atoms to form YO4 tetrahedra that share corners with three equivalent W(2)O6 octahedra and corners with nine equivalent W(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-61°. There are two inequivalent W sites. In the first W site, W(1) is bonded to two equivalent O(2) and four equivalent O(1) atoms to form WO6 octahedra that share corners with six equivalent Y(1)O4 tetrahedra, edges with two equivalent W(2)O6 octahedra, and edges with four equivalent W(1)O6 octahedra. In the second W site, W(2) is bonded to six equivalent O(1) atoms to form WO6 octahedra that share corners with six equivalent Y(1)O4 tetrahedra and edges with six equivalent W(1)O6 octahedra. There are two inequivalent O sites. In the first O site, O(1) is bonded to one Y(1), one W(2), and two equivalent W(1) atoms to form a mixture of distorted corner and edge-sharing OYW3 trigonal pyramids. In the second O site, O(2) is bonded to one Y(1) and three equivalent W(1) atoms to form a mixture of distorted corner and edge-sharing OYW3 tetrahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_Y(WO2)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.505
_cell_length_b   6.505
_cell_length_c   6.505
_cell_angle_alpha   61.946
_cell_angle_beta   61.946
_cell_angle_gamma   61.946
_symmetry_Int_Tables_number   1
_cell_volume   203.110
_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
  Y  Y0  1  0.621  0.621  0.621  1.0
  Y  Y1  1  0.379  0.379  0.379  1.0
  W  W2  1  0.500  0.000  0.000  1.0
  W  W3  1  0.000  0.000  0.000  1.0
  W  W4  1  0.000  0.500  0.000  1.0
  W  W5  1  0.000  0.000  0.500  1.0
  O  O6  1  0.764  0.212  0.764  1.0
  O  O7  1  0.236  0.236  0.788  1.0
  O  O8  1  0.788  0.236  0.236  1.0
  O  O9  1  0.237  0.237  0.237  1.0
  O  O10  1  0.764  0.764  0.212  1.0
  O  O11  1  0.236  0.788  0.236  1.0
  O  O12  1  0.212  0.764  0.764  1.0
  O  O13  1  0.763  0.763  0.763  1.0
[/CIF]
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The crystal structure described by Y(WO2)2 is Spinel structured and crystallizes in the trigonal R-3m space group. Y(1) is bonded to one O(2) and three equivalent O(1) atoms to form YO4 tetrahedra that share corners with three equivalent W(2)O6 octahedra and corners with nine equivalent W(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-61°. There are two inequivalent W sites. In the first W site, W(1) is bonded to two equivalent O(2) and four equivalent O(1) atoms to form WO6 octahedra that share corners with six equivalent Y(1)O4 tetrahedra, edges with two equivalent W(2)O6 octahedra, and edges with four equivalent W(1)O6 octahedra. In the second W site, W(2) is bonded to six equivalent O(1) atoms to form WO6 octahedra that share corners with six equivalent Y(1)O4 tetrahedra and edges with six equivalent W(1)O6 octahedra. There are two inequivalent O sites. In the first O site, O(1) is bonded to one Y(1), one W(2), and two equivalent W(1) atoms to form a mixture of distorted corner and edge-sharing OYW3 trigonal pyramids. In the second O site, O(2) is bonded to one Y(1) and three equivalent W(1) atoms to form a mixture of distorted corner and edge-sharing OYW3 tetrahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_Y(WO2)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.505
_cell_length_b   6.505
_cell_length_c   6.505
_cell_angle_alpha   61.946
_cell_angle_beta   61.946
_cell_angle_gamma   61.946
_symmetry_Int_Tables_number   1
_cell_volume   203.110
_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
  Y  Y0  1  0.621  0.621  0.621  1.0
  Y  Y1  1  0.379  0.379  0.379  1.0
  W  W2  1  0.500  0.000  0.000  1.0
  W  W3  1  0.000  0.000  0.000  1.0
  W  W4  1  0.000  0.500  0.000  1.0
  W  W5  1  0.000  0.000  0.500  1.0
  O  O6  1  0.764  0.212  0.764  1.0
  O  O7  1  0.236  0.236  0.788  1.0
  O  O8  1  0.788  0.236  0.236  1.0
  O  O9  1  0.237  0.237  0.237  1.0
  O  O10  1  0.764  0.764  0.212  1.0
  O  O11  1  0.236  0.788  0.236  1.0
  O  O12  1  0.212  0.764  0.764  1.0
  O  O13  1  0.763  0.763  0.763  1.0
[/CIF]
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