data_[K4Cu2Pt2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Cu  1.9000  1.3500  0.8200
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [12.2804]
_cell_length_b [2.9926]
_cell_length_c [5.9206]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.2860]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [K2CuPt]
_chemical_formula_sum '[K4 Cu2 Pt2]'
_cell_volume [208.8498]
_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
[
  K  K0  2  0.0230  0.0000  0.0583  1
  K  K1  2  0.2172  0.0000  0.6747  1
  Cu  Cu2  2  0.3057  0.5000  0.2497  1
  Pt  Pt3  2  0.4541  0.0000  0.5173  1
]