data_[Pm24Er4Tm8Mg4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Er  1.2400  1.7500  1.0300
  Tm  1.2500  1.7500  1.0950
  Mg  1.3100  1.5000  0.8600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [9.2609]
_cell_length_b [14.9526]
_cell_length_c [9.4658]
_cell_angle_alpha [90.0000]
_cell_angle_beta [97.2130]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Pm6ErTm2Mg]
_chemical_formula_sum '[Pm24 Er4 Tm8 Mg4]'
_cell_volume [1300.3984]
_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  0.0556  0.1783  0.4490  1
  Pm  Pm1  8  0.1019  0.3966  0.6095  1
  Pm  Pm2  8  0.2179  0.2183  0.8065  1
  Er  Er3  4  0.0000  0.0242  0.7500  1
  Tm  Tm4  8  0.2491  0.0504  0.0524  1
  Mg  Mg5  4  0.0000  0.4109  0.2500  1
]