data_[Cu4Pt6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cu  1.9000  1.3500  0.8200
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [4.6894]
_cell_length_b [2.7306]
_cell_length_c [11.1774]
_cell_angle_alpha [90.0000]
_cell_angle_beta [97.3188]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Cu2Pt3]
_chemical_formula_sum '[Cu4 Pt6]'
_cell_volume [141.9574]
_cell_formula_units_Z [2]
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  2  0.0501  0.7500  0.4032  1.0
  Cu  Cu1  2  0.3533  0.2500  0.7966  1.0
  Pt  Pt2  2  0.1437  0.2500  0.2077  1.0
  Pt  Pt3  2  0.2506  0.7500  0.9968  1.0
  Pt  Pt4  2  0.4411  0.7500  0.6002  1.0
]