data_[Pm4Si2Pt12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Si  1.9000  1.1000  0.5400
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [9.8202]
_cell_length_b [5.7014]
_cell_length_c [6.1535]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.5826]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm2SiPt6]
_chemical_formula_sum '[Pm4 Si2 Pt12]'
_cell_volume [333.4236]
_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
[
  Pm  Pm0  4  0.1429  0.5000  0.8515  1
  Si  Si1  2  0.0000  0.0000  0.0000  1
  Pt  Pt2  8  0.1339  0.2550  0.3059  1
  Pt  Pt3  4  0.1208  0.0000  0.7017  1
]