data_[Pm20Hg8Pt8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Hg  2.0000  1.5000  1.2450
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [Cmce]
_cell_length_a [15.9501]
_cell_length_b [7.5886]
_cell_length_c [8.2268]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [64]
_chemical_formula_structural [Pm5(HgPt)2]
_chemical_formula_sum '[Pm20 Hg8 Pt8]'
_cell_volume [995.7688]
_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  16  0.1241  0.1673  0.3256  1
  Pm  Pm1  4  0.0000  0.0000  0.0000  1
  Hg  Hg2  8  0.2125  0.0000  0.0000  1
  Pt  Pt3  8  0.0000  0.1299  0.6292  1
]