data_[Pm2Pr14Sn8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Pr  1.1300  1.8500  1.0600
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [14.3443]
_cell_length_b [5.9443]
_cell_length_c [11.2973]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.8527]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [PmPr7Sn4]
_chemical_formula_sum '[Pm2 Pr14 Sn8]'
_cell_volume [790.4900]
_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
[
  Pr  Pr0  4  0.0579  0.0000  0.3724  1
  Pr  Pr1  4  0.1864  0.5000  0.6127  1
  Pr  Pr2  4  0.2093  0.0000  0.8877  1
  Pm  Pm3  2  0.0000  0.0000  0.0000  1
  Pr  Pr4  2  0.0000  0.5000  0.0000  1
  Sn  Sn5  4  0.0634  0.5000  0.7639  1
  Sn  Sn6  4  0.1966  0.5000  0.3276  1
]