The crystal structure described by Ba2WCuO6 is (Cubic) Perovskite-derived structured and crystallizes in the tetragonal I4/mmm space group. Ba(1) is bonded to four equivalent O(2) and eight equivalent O(1) atoms to form BaO12 cuboctahedra that share corners with twelve equivalent Ba(1)O12 cuboctahedra, faces with six equivalent Ba(1)O12 cuboctahedra, faces with four equivalent W(1)O6 octahedra, and faces with four equivalent Cu(1)O6 octahedra. 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 Cu(1)O6 octahedra and faces with eight equivalent Ba(1)O12 cuboctahedra. The corner-sharing octahedra are not tilted. Cu(1) is bonded to two equivalent O(2) and four equivalent O(1) atoms to form CuO6 octahedra that share corners with six equivalent W(1)O6 octahedra and faces with eight equivalent Ba(1)O12 cuboctahedra. The corner-sharing octahedra are not tilted. There are two inequivalent O sites. In the first O site, O(1) is bonded in a distorted linear geometry to four equivalent Ba(1), one W(1), and one Cu(1) atom. In the second O site, O(2) is bonded to four equivalent Ba(1), one W(1), and one Cu(1) atom to form a mixture of distorted corner and edge-sharing OBa4CuW octahedra. The corner-sharing octahedral tilt angles range from 0-12°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ba2CuWO6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.628
_cell_length_b   5.981
_cell_length_c   5.628
_cell_angle_alpha   61.937
_cell_angle_beta   90.000
_cell_angle_gamma   118.063
_symmetry_Int_Tables_number   1
_cell_volume   141.439
_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
  Ba  Ba0  1  0.750  0.500  0.750  1.0
  Ba  Ba1  1  0.250  0.500  0.250  1.0
  Cu  Cu2  1  0.000  0.000  0.000  1.0
  W  W3  1  0.500  0.000  0.500  1.0
  O  O4  1  0.747  0.000  0.253  1.0
  O  O5  1  0.253  0.000  0.253  1.0
  O  O6  1  0.718  0.436  0.282  1.0
  O  O7  1  0.253  0.000  0.747  1.0
  O  O8  1  0.282  0.564  0.718  1.0
  O  O9  1  0.747  1.000  0.747  1.0
[/CIF]
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The crystal structure described by Ba2WCuO6 is (Cubic) Perovskite-derived structured and crystallizes in the tetragonal I4/mmm space group. Ba(1) is bonded to four equivalent O(2) and eight equivalent O(1) atoms to form BaO12 cuboctahedra that share corners with twelve equivalent Ba(1)O12 cuboctahedra, faces with six equivalent Ba(1)O12 cuboctahedra, faces with four equivalent W(1)O6 octahedra, and faces with four equivalent Cu(1)O6 octahedra. 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 Cu(1)O6 octahedra and faces with eight equivalent Ba(1)O12 cuboctahedra. The corner-sharing octahedra are not tilted. Cu(1) is bonded to two equivalent O(2) and four equivalent O(1) atoms to form CuO6 octahedra that share corners with six equivalent W(1)O6 octahedra and faces with eight equivalent Ba(1)O12 cuboctahedra. The corner-sharing octahedra are not tilted. There are two inequivalent O sites. In the first O site, O(1) is bonded in a distorted linear geometry to four equivalent Ba(1), one W(1), and one Cu(1) atom. In the second O site, O(2) is bonded to four equivalent Ba(1), one W(1), and one Cu(1) atom to form a mixture of distorted corner and edge-sharing OBa4CuW octahedra. The corner-sharing octahedral tilt angles range from 0-12°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ba2CuWO6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.628
_cell_length_b   5.981
_cell_length_c   5.628
_cell_angle_alpha   61.937
_cell_angle_beta   90.000
_cell_angle_gamma   118.063
_symmetry_Int_Tables_number   1
_cell_volume   141.439
_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
  Ba  Ba0  1  0.750  0.500  0.750  1.0
  Ba  Ba1  1  0.250  0.500  0.250  1.0
  Cu  Cu2  1  0.000  0.000  0.000  1.0
  W  W3  1  0.500  0.000  0.500  1.0
  O  O4  1  0.747  0.000  0.253  1.0
  O  O5  1  0.253  0.000  0.253  1.0
  O  O6  1  0.718  0.436  0.282  1.0
  O  O7  1  0.253  0.000  0.747  1.0
  O  O8  1  0.282  0.564  0.718  1.0
  O  O9  1  0.747  1.000  0.747  1.0
[/CIF]
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