data_[Pm10Ni2Sn12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Ni  1.9100  1.3500  0.7400
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [6.2881]
_cell_length_b [14.4303]
_cell_length_c [7.7465]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.6323]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm5NiSn6]
_chemical_formula_sum '[Pm10 Ni2 Sn12]'
_cell_volume [662.0543]
_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  0.0000  0.2964  0.5000  1
  Pm  Pm1  4  0.0000  0.3536  0.0000  1
  Pm  Pm2  2  0.0000  0.0000  0.5000  1
  Ni  Ni3  2  0.0000  0.0000  0.0000  1
  Sn  Sn4  8  0.0373  0.1499  0.2025  1
  Sn  Sn5  4  0.0715  0.5000  0.7141  1
]