data_[Ca8Mg4Pt8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Mg  1.3100  1.5000  0.8600
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [10.1383]
_cell_length_b [5.6855]
_cell_length_c [8.1303]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.1676]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Ca2MgPt2]
_chemical_formula_sum '[Ca8 Mg4 Pt8]'
_cell_volume [454.3899]
_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  8  0.1493  0.3564  0.1479  1.0
  Mg  Mg1  4  0.0000  0.1249  0.7500  1.0
  Pt  Pt2  8  0.1347  0.1404  0.5066  1.0
]