data_[Pm4Nd12Sm24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Nd  1.1400  1.8500  1.2765
  Sm  1.1700  1.8500  1.2290
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [11.0356]
_cell_length_b [19.3125]
_cell_length_c [6.4708]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Pm(NdSm2)3]
_chemical_formula_sum '[Pm4 Nd12 Sm24]'
_cell_volume [1379.0874]
_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  4  0.0000  0.1905  0.6145  1
  Nd  Nd1  8  0.1762  0.1166  0.9619  1
  Nd  Nd2  4  0.0000  0.3850  0.5819  1
  Sm  Sm3  8  0.1697  0.4580  0.0552  1
  Sm  Sm4  8  0.2357  0.2917  0.8736  1
  Sm  Sm5  4  0.0000  0.0353  0.3582  1
  Sm  Sm6  4  0.0000  0.2766  0.1495  1
]