data_[Pm12Sn4Os4]
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
  Os  2.2000  1.3000  0.6730
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.8734]
_cell_length_b [4.6568]
_cell_length_c [10.2753]
_cell_angle_alpha [90.0000]
_cell_angle_beta [97.1993]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm3SnOs]
_chemical_formula_sum '[Pm12 Sn4 Os4]'
_cell_volume [563.6539]
_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  0.1009  0.0000  0.8871  1
  Pm  Pm1  4  0.1239  0.5000  0.1714  1
  Pm  Pm2  4  0.1459  0.5000  0.6117  1
  Sn  Sn3  4  0.0764  0.0000  0.3906  1
  Os  Os4  4  0.2358  0.5000  0.8848  1
]