data_[K2Be2Pt4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Be  1.5700  1.0500  0.5900
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [11.0487]
_cell_length_b [2.8550]
_cell_length_c [6.1708]
_cell_angle_alpha [90.0000]
_cell_angle_beta [114.3594]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [KBePt2]
_chemical_formula_sum '[K2 Be2 Pt4]'
_cell_volume [177.3235]
_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  0.2239  0.5000  0.2560  1
  Be  Be1  2  0.0759  0.5000  0.6847  1
  Pt  Pt2  2  0.2408  0.0000  0.7691  1
  Pt  Pt3  2  0.4594  0.5000  0.7902  1
]