data_[Pm4Ho8Cd8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Ho  1.2300  1.7500  1.0410
  Cd  1.6900  1.5500  1.0900
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [3.7311]
_cell_length_b [27.5859]
_cell_length_c [5.4014]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Pm(HoCd)2]
_chemical_formula_sum '[Pm4 Ho8 Cd8]'
_cell_volume [555.9437]
_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  0.1495  0.2500  1
  Ho  Ho1  4  0.0000  0.0453  0.7500  1
  Ho  Ho2  4  0.0000  0.2354  0.7500  1
  Cd  Cd3  4  0.0000  0.3596  0.2500  1
  Cd  Cd4  4  0.0000  0.4505  0.7500  1
]