data_[Pm1Nd2Sm1Sb4]
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
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [7.7988]
_cell_length_b [4.5055]
_cell_length_c [7.7995]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.4721]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [PmNd2SmSb4]
_chemical_formula_sum '[Pm1 Nd2 Sm1 Sb4]'
_cell_volume [258.3794]
_cell_formula_units_Z [1]
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  1  0.0000  0.0000  0.0000  1
  Nd  Nd1  1  0.5000  0.0000  0.5000  1
  Nd  Nd2  1  0.5000  0.5000  0.0000  1
  Sm  Sm3  1  0.0000  0.5000  0.5000  1
  Sb  Sb4  2  0.2471  0.0000  0.7484  1
  Sb  Sb5  2  0.2476  0.5000  0.2498  1
]