data_[Pm16Si2Pt4]
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 [18.8647]
_cell_length_b [5.1288]
_cell_length_c [6.9303]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.0563]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm8SiPt2]
_chemical_formula_sum '[Pm16 Si2 Pt4]'
_cell_volume [625.7503]
_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  0.0289  0.0000  0.2607  1
  Pm  Pm1  4  0.0953  0.5000  0.7247  1
  Pm  Pm2  4  0.1759  0.5000  0.3501  1
  Pm  Pm3  4  0.2006  0.0000  0.0564  1
  Si  Si4  2  0.0000  0.5000  0.0000  1
  Pt  Pt5  4  0.1664  0.0000  0.6099  1
]