data_[Pm2Si2Pt6]
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 [I4mm]
_cell_length_a [4.0812]
_cell_length_b [4.0812]
_cell_length_c [11.0207]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [107]
_chemical_formula_structural [PmSiPt3]
_chemical_formula_sum '[Pm2 Si2 Pt6]'
_cell_volume [183.5650]
_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  2  0.0000  0.0000  0.3096  1
  Si  Si1  2  0.0000  0.0000  0.6834  1
  Pt  Pt2  4  0.0000  0.5000  0.0669  1
  Pt  Pt3  2  0.0000  0.0000  0.8921  1
]