data_[Pm16Sn4Pt8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Sn  1.9600  1.4500  0.8300
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [Cc]
_cell_length_a [8.8326]
_cell_length_b [15.5463]
_cell_length_c [7.0995]
_cell_angle_alpha [90.0000]
_cell_angle_beta [128.0822]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [9]
_chemical_formula_structural [Pm4SnPt2]
_chemical_formula_sum '[Pm16 Sn4 Pt8]'
_cell_volume [767.3426]
_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
[
  Pm  Pm0  4  0.1657  0.3245  0.7347  1
  Pm  Pm1  4  0.4092  0.0270  0.4064  1
  Pm  Pm2  4  0.4439  0.4615  0.2806  1
  Pm  Pm3  4  0.4800  0.2543  0.5668  1
  Sn  Sn4  4  0.1627  0.1344  0.5736  1
  Pt  Pt5  4  0.1888  0.4100  0.3847  1
  Pt  Pt6  4  0.2736  0.1653  0.0531  1
]