data_[Pm4Mg12Cd12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Mg  1.3100  1.5000  0.8600
  Cd  1.6900  1.5500  1.0900
]
_symmetry_space_group_name_H-M [P2_13]
_cell_length_a [8.7748]
_cell_length_b [8.7748]
_cell_length_c [8.7748]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [198]
_chemical_formula_structural [Pm(MgCd)3]
_chemical_formula_sum '[Pm4 Mg12 Cd12]'
_cell_volume [675.6283]
_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  0.0497  0.5497  0.9503  1
  Mg  Mg1  4  0.1291  0.3709  0.6291  1
  Mg  Mg2  4  0.1719  0.8281  0.3281  1
  Mg  Mg3  4  0.1921  0.1921  0.1921  1
  Cd  Cd4  12  0.0080  0.6871  0.5979  1
]