data_[Ca4Pt4W4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Pt  2.2800  1.3500  0.8050
  W  2.3600  1.3500  0.7667
]
_symmetry_space_group_name_H-M [Imma]
_cell_length_a [5.1483]
_cell_length_b [5.7465]
_cell_length_c [7.9467]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [74]
_chemical_formula_structural [CaPtW]
_chemical_formula_sum '[Ca4 Pt4 W4]'
_cell_volume [235.1000]
_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
[
  Ca  Ca0  4  0.0000  0.2500  0.1240  1
  Pt  Pt1  4  0.0000  0.0000  0.5000  1
  W  W2  4  0.2500  0.2500  0.7500  1
]