data_[Pm4Nd16Cd4]
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
  Cd  1.6900  1.5500  1.0900
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [9.0066]
_cell_length_b [14.5051]
_cell_length_c [6.4745]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.2661]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [PmNd4Cd]
_chemical_formula_sum '[Pm4 Nd16 Cd4]'
_cell_volume [798.4614]
_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  0.4127  0.7500  1
  Nd  Nd1  8  0.0973  0.1903  0.0459  1
  Nd  Nd2  8  0.2155  0.3809  0.3757  1
  Cd  Cd3  4  0.0000  0.0010  0.7500  1
]