data_[Pm6Sm8Y2]
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
  Y  1.2200  1.8000  1.0400
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [23.7020]
_cell_length_b [3.5167]
_cell_length_c [6.8824]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.8664]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm3Sm4Y]
_chemical_formula_sum '[Pm6 Sm8 Y2]'
_cell_volume [548.9863]
_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  0.1248  0.0000  0.8837  1
  Pm  Pm1  2  0.0000  0.0000  0.5000  1
  Sm  Sm2  4  0.1243  0.0000  0.3658  1
  Sm  Sm3  4  0.2413  0.5000  0.2433  1
  Y  Y4  2  0.0000  0.5000  0.0000  1
]