data_[Ca4Al8Pt4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Al  1.6100  1.2500  0.6750
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [4.2121]
_cell_length_b [10.4726]
_cell_length_c [7.2495]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [CaAl2Pt]
_chemical_formula_sum '[Ca4 Al8 Pt4]'
_cell_volume [319.7825]
_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  0.0596  0.7500  1
  Al  Al1  8  0.0000  0.3402  0.5562  1
  Pt  Pt2  4  0.0000  0.2178  0.2500  1
]