data_[Ca2Mg8Al2Pt4]
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
  Al  1.6100  1.2500  0.6750
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [8.3777]
_cell_length_b [4.1537]
_cell_length_c [9.4403]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [CaMg4AlPt2]
_chemical_formula_sum '[Ca2 Mg8 Al2 Pt4]'
_cell_volume [328.5043]
_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
[
  Ca  Ca0  2  0.5000  0.0000  0.9496  1
  Mg  Mg1  4  0.1808  0.0000  0.3475  1
  Mg  Mg2  4  0.3038  0.0000  0.6539  1
  Al  Al3  2  0.0000  0.0000  0.0516  1
  Pt  Pt4  2  0.0000  0.0000  0.7502  1
  Pt  Pt5  2  0.5000  0.0000  0.2459  1
]