data_CuBiW2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.17
_cell_length_b   4.8
_cell_length_c   4.95
_cell_angle_alpha   90.0
_cell_angle_beta   91.18
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   CuBiW2
_chemical_formula_sum   'Cu1 Bi1 W2'
_cell_volume   75.25
_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
  Cu  Cu1  1  0.0  0.0  0.0  1.0
  Bi  Bi0  1  0.53  0.0  0.47  1.0
  W  W2  1  0.24  0.4  0.98  1.0
  W  W3  1  0.83  0.4  0.97  1.0

data_CuBiW2
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.17
_cell_length_b   4.8
_cell_length_c   4.95
_cell_angle_alpha   90.0
_cell_angle_beta   91.18
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   CuBiW2
_chemical_formula_sum   'Cu1 Bi1 W2'
_cell_volume   75.25
_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
  Cu  Cu0  1  0.0  0.0  0.0  1.0
  Bi  Bi1  1  0.53  0.0  0.47  1.0
  W  W2  1  0.24  0.4  0.98  1.0
  W  W3  1  0.83  0.4  0.97  1.0

Cu Bi W W
Cu Bi W W 0 3 - o - 0 2 o o - 0 1 o o o 0 1 o o - 0 1 - o o 0 1 - o - 1 2 o o - 1 2 o o o 1 1 + o o 1 3 o o - 1 3 o o o 2 3 - o o 
W2CuBi crystallizes in the triclinic P1 space group. There are two inequivalent W sites. In the first W site, W(1) is bonded in a 3-coordinate geometry to two equivalent W(2), one Cu(1), and two equivalent Bi(1) atoms. There is one shorter (1.28 Å) and one longer (1.89 Å) W(1)-W(2) bond length. The W(1)-Cu(1) bond length is 2.06 Å. There is one shorter (3.25 Å) and one longer (3.29 Å) W(1)-Bi(1) bond length. In the second W site, W(2) is bonded in a 4-coordinate geometry to two equivalent W(1), two equivalent Cu(1), and two equivalent Bi(1) atoms. There is one shorter (1.99 Å) and one longer (2.94 Å) W(2)-Cu(1) bond length. There is one shorter (3.25 Å) and one longer (3.29 Å) W(2)-Bi(1) bond length. Cu(1) is bonded in a 2-coordinate geometry to one W(1), two equivalent W(2), and four equivalent Bi(1) atoms. There are a spread of Cu(1)-Bi(1) bond distances ranging from 2.80-3.13 Å. Bi(1) is bonded in a 10-coordinate geometry to two equivalent W(1), two equivalent W(2), four equivalent Cu(1), and two equivalent Bi(1) atoms. Both Bi(1)-Bi(1) bond lengths are 3.17 Å.