data_[Pm4Sm10N10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Sm  1.1700  1.8500  1.2290
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.0084]
_cell_length_b [3.4859]
_cell_length_c [12.5144]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.5858]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm2Sm5N5]
_chemical_formula_sum '[Pm4 Sm10 N10]'
_cell_volume [511.2687]
_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  0.0634  0.0000  0.8117  1
  Sm  Sm1  4  0.1491  0.5000  0.0603  1
  Sm  Sm2  4  0.2226  0.5000  0.3770  1
  Sm  Sm3  2  0.0000  0.5000  0.5000  1
  N  N4  4  0.1329  0.0000  0.4540  1
  N  N5  4  0.1890  0.5000  0.8850  1
  N  N6  2  0.0000  0.0000  0.0000  1
]