data_[Cu4Mo4W4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cu  1.9000  1.3500  0.8200
  Mo  2.1600  1.4500  0.7750
  W  2.3600  1.3500  0.7667
]
_symmetry_space_group_name_H-M [Fmm2]
_cell_length_a [3.2785]
_cell_length_b [4.2144]
_cell_length_c [12.9089]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [42]
_chemical_formula_structural [CuMoW]
_chemical_formula_sum '[Cu4 Mo4 W4]'
_cell_volume [178.3614]
_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
[
  Cu  Cu0  4  0.0000  0.0000  0.0004  1
  Mo  Mo1  4  0.0000  0.0000  0.3373  1
  W  W2  4  0.0000  0.0000  0.6623  1
]