data_[Cu1Ni1Pd1Pt1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cu  1.9000  1.3500  0.8200
  Ni  1.9100  1.3500  0.7400
  Pd  2.2000  1.4000  0.8462
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [P4mm]
_cell_length_a [2.7293]
_cell_length_b [2.7293]
_cell_length_c [7.2113]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [99]
_chemical_formula_structural [CuNiPdPt]
_chemical_formula_sum '[Cu1 Ni1 Pd1 Pt1]'
_cell_volume [53.7189]
_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  0.5000  0.5000  0.8216  1.0
  Ni  Ni1  1  0.5000  0.5000  0.3217  1.0
  Pd  Pd2  1  0.0000  0.0000  0.0755  1.0
  Pt  Pt3  1  0.0000  0.0000  0.5659  1.0
]