data_[Pm2Pr2Sm28]
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
  Sm  1.1700  1.8500  1.2290
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [11.7613]
_cell_length_b [7.3040]
_cell_length_c [12.6432]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [PmPrSm14]
_chemical_formula_sum '[Pm2 Pr2 Sm28]'
_cell_volume [1086.1113]
_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  2  0.5000  0.0000  0.2080  1
  Pm  Pm1  2  0.5000  0.0000  0.7079  1
  Sm  Sm2  8  0.2486  0.2498  0.6249  1
  Sm  Sm3  4  0.0000  0.2499  0.7921  1
  Sm  Sm4  4  0.2489  0.0000  0.3752  1
  Sm  Sm5  4  0.2498  0.0000  0.8750  1
  Sm  Sm6  4  0.5000  0.2499  0.4581  1
  Sm  Sm7  2  0.0000  0.0000  0.0418  1
  Sm  Sm8  2  0.0000  0.0000  0.5419  1
]