The compound described by Bi2WO6 crystallizes in the monoclinic C2/m space group. W(1) is bonded to one O(4), one O(5), two equivalent O(3), and two equivalent O(6) atoms to form distorted WO6 octahedra that share corners with two equivalent W(1)O6 octahedra, corners with four equivalent Bi(1)O6 octahedra, and  an edgeedge with one W(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 10-78°. There are two inequivalent Bi sites. In the first Bi site, Bi(1) is bonded to one O(1), two equivalent O(3), and three equivalent O(2) atoms to form distorted BiO6 octahedra that share corners with four equivalent W(1)O6 octahedra and edges with four equivalent Bi(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 58-78°. In the second Bi site, Bi(2) is bonded in a 8-coordinate geometry to one O(2), two equivalent O(4), two equivalent O(5), and three equivalent O(1) atoms. There are six inequivalent O sites. In the first O site, O(1) is bonded to one Bi(1) and three equivalent Bi(2) atoms to form OBi4 tetrahedra that share corners with two equivalent O(3)Bi2W2 tetrahedra, corners with two equivalent O(1)Bi4 tetrahedra, corners with two equivalent O(2)Bi4 tetrahedra, edges with two equivalent O(1)Bi4 tetrahedra, and edges with two equivalent O(2)Bi4 tetrahedra. In the second O site, O(2) is bonded to one Bi(2) and three equivalent Bi(1) atoms to form OBi4 tetrahedra that share corners with two equivalent O(1)Bi4 tetrahedra, corners with two equivalent O(2)Bi4 tetrahedra, corners with four equivalent O(3)Bi2W2 tetrahedra,  an edgeedge with one O(3)Bi2W2 tetrahedra, edges with two equivalent O(1)Bi4 tetrahedra, and edges with two equivalent O(2)Bi4 tetrahedra. In the third O site, O(3) is bonded to two equivalent W(1) and two equivalent Bi(1) atoms to form OBi2W2 tetrahedra that share corners with two equivalent O(3)Bi2W2 tetrahedra, corners with two equivalent O(1)Bi4 tetrahedra, corners with four equivalent O(2)Bi4 tetrahedra,  an edgeedge with one O(3)Bi2W2 tetrahedra, and  an edgeedge with one O(2)Bi4 tetrahedra. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one W(1) and two equivalent Bi(2) atoms. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one W(1) and two equivalent Bi(2) atoms. In the sixth O site, O(6) is bonded in a linear geometry to two equivalent W(1) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Bi2WO6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.320
_cell_length_b   8.320
_cell_length_c   8.243
_cell_angle_alpha   78.154
_cell_angle_beta   78.154
_cell_angle_gamma   26.497
_symmetry_Int_Tables_number   1
_cell_volume   248.809
_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
  Bi  Bi0  1  0.320  0.320  0.604  1.0
  Bi  Bi1  1  0.680  0.680  0.396  1.0
  Bi  Bi2  1  0.667  0.667  0.929  1.0
  Bi  Bi3  1  0.333  0.333  0.071  1.0
  W  W4  1  0.997  0.997  0.704  1.0
  W  W5  1  0.003  0.003  0.296  1.0
  O  O6  1  0.248  0.248  0.881  1.0
  O  O7  1  0.268  0.268  0.365  1.0
  O  O8  1  0.078  0.078  0.487  1.0
  O  O9  1  0.732  0.732  0.635  1.0
  O  O10  1  0.926  0.926  0.171  1.0
  O  O11  1  0.108  0.108  0.157  1.0
  O  O12  1  0.922  0.922  0.513  1.0
  O  O13  1  0.892  0.892  0.843  1.0
  O  O14  1  0.752  0.752  0.119  1.0
  O  O15  1  0.074  0.074  0.829  1.0
  O  O16  1  0.494  0.494  0.685  1.0
  O  O17  1  0.506  0.506  0.315  1.0
[/CIF]
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The compound described by Bi2WO6 crystallizes in the monoclinic C2/m space group. W(1) is bonded to one O(4), one O(5), two equivalent O(3), and two equivalent O(6) atoms to form distorted WO6 octahedra that share corners with two equivalent W(1)O6 octahedra, corners with four equivalent Bi(1)O6 octahedra, and  an edgeedge with one W(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 10-78°. There are two inequivalent Bi sites. In the first Bi site, Bi(1) is bonded to one O(1), two equivalent O(3), and three equivalent O(2) atoms to form distorted BiO6 octahedra that share corners with four equivalent W(1)O6 octahedra and edges with four equivalent Bi(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 58-78°. In the second Bi site, Bi(2) is bonded in a 8-coordinate geometry to one O(2), two equivalent O(4), two equivalent O(5), and three equivalent O(1) atoms. There are six inequivalent O sites. In the first O site, O(1) is bonded to one Bi(1) and three equivalent Bi(2) atoms to form OBi4 tetrahedra that share corners with two equivalent O(3)Bi2W2 tetrahedra, corners with two equivalent O(1)Bi4 tetrahedra, corners with two equivalent O(2)Bi4 tetrahedra, edges with two equivalent O(1)Bi4 tetrahedra, and edges with two equivalent O(2)Bi4 tetrahedra. In the second O site, O(2) is bonded to one Bi(2) and three equivalent Bi(1) atoms to form OBi4 tetrahedra that share corners with two equivalent O(1)Bi4 tetrahedra, corners with two equivalent O(2)Bi4 tetrahedra, corners with four equivalent O(3)Bi2W2 tetrahedra,  an edgeedge with one O(3)Bi2W2 tetrahedra, edges with two equivalent O(1)Bi4 tetrahedra, and edges with two equivalent O(2)Bi4 tetrahedra. In the third O site, O(3) is bonded to two equivalent W(1) and two equivalent Bi(1) atoms to form OBi2W2 tetrahedra that share corners with two equivalent O(3)Bi2W2 tetrahedra, corners with two equivalent O(1)Bi4 tetrahedra, corners with four equivalent O(2)Bi4 tetrahedra,  an edgeedge with one O(3)Bi2W2 tetrahedra, and  an edgeedge with one O(2)Bi4 tetrahedra. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one W(1) and two equivalent Bi(2) atoms. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one W(1) and two equivalent Bi(2) atoms. In the sixth O site, O(6) is bonded in a linear geometry to two equivalent W(1) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Bi2WO6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.320
_cell_length_b   8.320
_cell_length_c   8.243
_cell_angle_alpha   78.154
_cell_angle_beta   78.154
_cell_angle_gamma   26.497
_symmetry_Int_Tables_number   1
_cell_volume   248.809
_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
  Bi  Bi0  1  0.320  0.320  0.604  1.0
  Bi  Bi1  1  0.680  0.680  0.396  1.0
  Bi  Bi2  1  0.667  0.667  0.929  1.0
  Bi  Bi3  1  0.333  0.333  0.071  1.0
  W  W4  1  0.997  0.997  0.704  1.0
  W  W5  1  0.003  0.003  0.296  1.0
  O  O6  1  0.248  0.248  0.881  1.0
  O  O7  1  0.268  0.268  0.365  1.0
  O  O8  1  0.078  0.078  0.487  1.0
  O  O9  1  0.732  0.732  0.635  1.0
  O  O10  1  0.926  0.926  0.171  1.0
  O  O11  1  0.108  0.108  0.157  1.0
  O  O12  1  0.922  0.922  0.513  1.0
  O  O13  1  0.892  0.892  0.843  1.0
  O  O14  1  0.752  0.752  0.119  1.0
  O  O15  1  0.074  0.074  0.829  1.0
  O  O16  1  0.494  0.494  0.685  1.0
  O  O17  1  0.506  0.506  0.315  1.0
[/CIF]
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