The material described by Ca(WO2)2 crystallizes in the orthorhombic Pnma space group. Ca(1) is bonded in a 8-coordinate geometry to two equivalent O(1), two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms. There are two inequivalent W sites. In the first W site, W(1) is bonded to one O(4), two equivalent O(2), and three equivalent O(3) atoms to form a mixture of corner and edge-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 50-64°. In the second W site, W(2) is bonded to one O(2), two equivalent O(4), and three equivalent O(1) atoms to form a mixture of corner and edge-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 50-64°. There are four inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Ca(1) and three equivalent W(2) atoms to form a mixture of distorted corner and edge-sharing OCa2W3 trigonal bipyramids. In the second O site, O(2) is bonded to two equivalent Ca(1), one W(2), and two equivalent W(1) atoms to form a mixture of distorted corner and edge-sharing OCa2W3 trigonal bipyramids. In the third O site, O(3) is bonded to two equivalent Ca(1) and three equivalent W(1) atoms to form a mixture of corner and edge-sharing OCa2W3 square pyramids. In the fourth O site, O(4) is bonded to two equivalent Ca(1), one W(1), and two equivalent W(2) atoms to form a mixture of distorted corner and edge-sharing OCa2W3 trigonal bipyramids. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ca(WO2)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.284
_cell_length_b   9.603
_cell_length_c   11.472
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   361.813
_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
  Ca  Ca0  1  0.750  0.239  0.345  1.0
  Ca  Ca1  1  0.250  0.761  0.655  1.0
  Ca  Ca2  1  0.750  0.739  0.155  1.0
  Ca  Ca3  1  0.250  0.261  0.845  1.0
  W  W4  1  0.250  0.411  0.102  1.0
  W  W5  1  0.750  0.089  0.602  1.0
  W  W6  1  0.250  0.911  0.398  1.0
  W  W7  1  0.750  0.589  0.898  1.0
  W  W8  1  0.750  0.559  0.383  1.0
  W  W9  1  0.250  0.441  0.617  1.0
  W  W10  1  0.750  0.059  0.117  1.0
  W  W11  1  0.250  0.941  0.883  1.0
  O  O12  1  0.250  0.915  0.074  1.0
  O  O13  1  0.750  0.085  0.926  1.0
  O  O14  1  0.250  0.415  0.426  1.0
  O  O15  1  0.750  0.585  0.574  1.0
  O  O16  1  0.250  0.034  0.712  1.0
  O  O17  1  0.750  0.966  0.288  1.0
  O  O18  1  0.250  0.534  0.788  1.0
  O  O19  1  0.750  0.466  0.212  1.0
  O  O20  1  0.250  0.622  0.028  1.0
  O  O21  1  0.750  0.378  0.972  1.0
  O  O22  1  0.250  0.122  0.472  1.0
  O  O23  1  0.750  0.878  0.528  1.0
  O  O24  1  0.750  0.802  0.823  1.0
  O  O25  1  0.250  0.198  0.177  1.0
  O  O26  1  0.250  0.698  0.323  1.0
  O  O27  1  0.750  0.302  0.677  1.0
[/CIF]
.
The material described by Ca(WO2)2 crystallizes in the orthorhombic Pnma space group. Ca(1) is bonded in a 8-coordinate geometry to two equivalent O(1), two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms. There are two inequivalent W sites. In the first W site, W(1) is bonded to one O(4), two equivalent O(2), and three equivalent O(3) atoms to form a mixture of corner and edge-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 50-64°. In the second W site, W(2) is bonded to one O(2), two equivalent O(4), and three equivalent O(1) atoms to form a mixture of corner and edge-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 50-64°. There are four inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Ca(1) and three equivalent W(2) atoms to form a mixture of distorted corner and edge-sharing OCa2W3 trigonal bipyramids. In the second O site, O(2) is bonded to two equivalent Ca(1), one W(2), and two equivalent W(1) atoms to form a mixture of distorted corner and edge-sharing OCa2W3 trigonal bipyramids. In the third O site, O(3) is bonded to two equivalent Ca(1) and three equivalent W(1) atoms to form a mixture of corner and edge-sharing OCa2W3 square pyramids. In the fourth O site, O(4) is bonded to two equivalent Ca(1), one W(1), and two equivalent W(2) atoms to form a mixture of distorted corner and edge-sharing OCa2W3 trigonal bipyramids. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ca(WO2)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.284
_cell_length_b   9.603
_cell_length_c   11.472
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   361.813
_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
  Ca  Ca0  1  0.750  0.239  0.345  1.0
  Ca  Ca1  1  0.250  0.761  0.655  1.0
  Ca  Ca2  1  0.750  0.739  0.155  1.0
  Ca  Ca3  1  0.250  0.261  0.845  1.0
  W  W4  1  0.250  0.411  0.102  1.0
  W  W5  1  0.750  0.089  0.602  1.0
  W  W6  1  0.250  0.911  0.398  1.0
  W  W7  1  0.750  0.589  0.898  1.0
  W  W8  1  0.750  0.559  0.383  1.0
  W  W9  1  0.250  0.441  0.617  1.0
  W  W10  1  0.750  0.059  0.117  1.0
  W  W11  1  0.250  0.941  0.883  1.0
  O  O12  1  0.250  0.915  0.074  1.0
  O  O13  1  0.750  0.085  0.926  1.0
  O  O14  1  0.250  0.415  0.426  1.0
  O  O15  1  0.750  0.585  0.574  1.0
  O  O16  1  0.250  0.034  0.712  1.0
  O  O17  1  0.750  0.966  0.288  1.0
  O  O18  1  0.250  0.534  0.788  1.0
  O  O19  1  0.750  0.466  0.212  1.0
  O  O20  1  0.250  0.622  0.028  1.0
  O  O21  1  0.750  0.378  0.972  1.0
  O  O22  1  0.250  0.122  0.472  1.0
  O  O23  1  0.750  0.878  0.528  1.0
  O  O24  1  0.750  0.802  0.823  1.0
  O  O25  1  0.250  0.198  0.177  1.0
  O  O26  1  0.250  0.698  0.323  1.0
  O  O27  1  0.750  0.302  0.677  1.0
[/CIF]
.