data_[Pm8Pr4Nd24Mg4]
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
  Nd  1.1400  1.8500  1.2765
  Mg  1.3100  1.5000  0.8600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [9.4330]
_cell_length_b [15.6451]
_cell_length_c [9.2989]
_cell_angle_alpha [90.0000]
_cell_angle_beta [92.4273]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Pm2PrNd6Mg]
_chemical_formula_sum '[Pm8 Pr4 Nd24 Mg4]'
_cell_volume [1371.1104]
_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  8  0.2285  0.4440  0.4467  1
  Pr  Pr1  4  0.0000  0.0258  0.2500  1
  Nd  Nd2  8  0.0374  0.1778  0.9443  1
  Nd  Nd3  8  0.1111  0.3842  0.0985  1
  Nd  Nd4  8  0.2183  0.2116  0.2929  1
  Mg  Mg5  4  0.0000  0.4233  0.7500  1
]