data_[Pm24Sm4Y8]
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 [Ibam]
_cell_length_a [5.7744]
_cell_length_b [9.9185]
_cell_length_c [21.1811]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [72]
_chemical_formula_structural [Pm6SmY2]
_chemical_formula_sum '[Pm24 Sm4 Y8]'
_cell_volume [1213.1213]
_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  16  0.0103  0.3341  0.1653  1
  Pm  Pm1  8  0.0000  0.0000  0.0820  1
  Sm  Sm2  4  0.0000  0.0000  0.2500  1
  Y  Y3  8  0.0097  0.6676  0.0000  1
]