The crystal structure described by Mg(WO3)4 crystallizes in the tetragonal P-4 space group. Mg(1) is bonded in a 8-coordinate geometry to four equivalent O(1) and four equivalent O(4) atoms. There are two inequivalent W sites. In the first W site, W(1) is bonded to one O(3), one O(4), two equivalent O(1), and two equivalent O(2) atoms to form corner-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 0-34°. In the second W site, W(2) is bonded to one O(3), one O(4), two equivalent O(1), and two equivalent O(2) atoms to form corner-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 0-34°. There are four inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to one Mg(1), one W(1), and one W(2) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one W(1) and one W(2) atom. In the third O site, O(3) is bonded in a linear geometry to one W(1) and one W(2) atom. In the fourth O site, O(4) is bonded in a distorted linear geometry to two equivalent Mg(1), one W(1), and one W(2) atom. is represented by the CIF file [CIF]
data_Mg(WO3)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.374
_cell_length_b   5.374
_cell_length_c   7.837
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   226.367
_cell_formula_units_Z   1
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
  Mg  Mg0  1  0.250  0.750  0.500  1.0
  W  W1  1  0.250  0.250  0.756  1.0
  W  W2  1  0.750  0.750  0.748  1.0
  W  W3  1  0.750  0.750  0.244  1.0
  W  W4  1  0.250  0.250  0.252  1.0
  O  O5  1  0.423  0.565  0.724  1.0
  O  O6  1  0.942  0.447  0.753  1.0
  O  O7  1  0.558  0.053  0.753  1.0
  O  O8  1  0.077  0.935  0.724  1.0
  O  O9  1  0.250  0.250  0.992  1.0
  O  O10  1  0.750  0.750  0.496  1.0
  O  O11  1  0.750  0.750  0.008  1.0
  O  O12  1  0.250  0.250  0.504  1.0
  O  O13  1  0.947  0.058  0.247  1.0
  O  O14  1  0.435  0.923  0.276  1.0
  O  O15  1  0.065  0.577  0.276  1.0
  O  O16  1  0.553  0.442  0.247  1.0
[/CIF]
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The crystal structure described by Mg(WO3)4 crystallizes in the tetragonal P-4 space group. Mg(1) is bonded in a 8-coordinate geometry to four equivalent O(1) and four equivalent O(4) atoms. There are two inequivalent W sites. In the first W site, W(1) is bonded to one O(3), one O(4), two equivalent O(1), and two equivalent O(2) atoms to form corner-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 0-34°. In the second W site, W(2) is bonded to one O(3), one O(4), two equivalent O(1), and two equivalent O(2) atoms to form corner-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 0-34°. There are four inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to one Mg(1), one W(1), and one W(2) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one W(1) and one W(2) atom. In the third O site, O(3) is bonded in a linear geometry to one W(1) and one W(2) atom. In the fourth O site, O(4) is bonded in a distorted linear geometry to two equivalent Mg(1), one W(1), and one W(2) atom. is represented by the CIF file [CIF]
data_Mg(WO3)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.374
_cell_length_b   5.374
_cell_length_c   7.837
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   226.367
_cell_formula_units_Z   1
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
  Mg  Mg0  1  0.250  0.750  0.500  1.0
  W  W1  1  0.250  0.250  0.756  1.0
  W  W2  1  0.750  0.750  0.748  1.0
  W  W3  1  0.750  0.750  0.244  1.0
  W  W4  1  0.250  0.250  0.252  1.0
  O  O5  1  0.423  0.565  0.724  1.0
  O  O6  1  0.942  0.447  0.753  1.0
  O  O7  1  0.558  0.053  0.753  1.0
  O  O8  1  0.077  0.935  0.724  1.0
  O  O9  1  0.250  0.250  0.992  1.0
  O  O10  1  0.750  0.750  0.496  1.0
  O  O11  1  0.750  0.750  0.008  1.0
  O  O12  1  0.250  0.250  0.504  1.0
  O  O13  1  0.947  0.058  0.247  1.0
  O  O14  1  0.435  0.923  0.276  1.0
  O  O15  1  0.065  0.577  0.276  1.0
  O  O16  1  0.553  0.442  0.247  1.0
[/CIF]
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