data_[Pm24Pr4Er8Mg4]
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
  Er  1.2400  1.7500  1.0300
  Mg  1.3100  1.5000  0.8600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [10.3099]
_cell_length_b [13.7557]
_cell_length_c [9.5188]
_cell_angle_alpha [90.0000]
_cell_angle_beta [101.2122]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Pm6PrEr2Mg]
_chemical_formula_sum '[Pm24 Pr4 Er8 Mg4]'
_cell_volume [1324.1910]
_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  0.0540  0.3819  0.0958  1
  Pm  Pm1  8  0.0924  0.1705  0.9264  1
  Pm  Pm2  8  0.2489  0.2155  0.3296  1
  Pr  Pr3  4  0.0000  0.0638  0.2500  1
  Er  Er4  8  0.2359  0.0343  0.5939  1
  Mg  Mg5  4  0.0000  0.4017  0.7500  1
]