data_[Pm2Nd8Er14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Nd  1.1400  1.8500  1.2765
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.1264]
_cell_length_b [5.8931]
_cell_length_c [12.7792]
_cell_angle_alpha [90.0000]
_cell_angle_beta [117.8711]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [PmNd4Er7]
_chemical_formula_sum '[Pm2 Nd8 Er14]'
_cell_volume [807.2928]
_cell_formula_units_Z [2]
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  2  0.0000  0.0000  0.0000  1
  Nd  Nd1  4  0.1364  0.5000  0.7769  1
  Nd  Nd2  4  0.2252  0.0000  0.6677  1
  Er  Er3  4  0.0686  0.0000  0.3152  1
  Er  Er4  4  0.1324  0.5000  0.4958  1
  Er  Er5  4  0.2109  0.0000  0.9232  1
  Er  Er6  2  0.0000  0.5000  0.0000  1
]