data_[Pm2Ho6Er4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Ho  1.2300  1.7500  1.0410
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [7.1249]
_cell_length_b [7.1324]
_cell_length_c [8.7836]
_cell_angle_alpha [78.2428]
_cell_angle_beta [78.2845]
_cell_angle_gamma [60.0799]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [PmHo3Er2]
_chemical_formula_sum '[Pm2 Ho6 Er4]'
_cell_volume [376.0413]
_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  0.2502  0.7497  0.9996  1
  Ho  Ho1  2  0.1394  0.1394  0.6640  1
  Ho  Ho2  2  0.2498  0.2501  0.0003  1
  Ho  Ho3  2  0.3609  0.8609  0.3351  1
  Er  Er4  2  0.1392  0.6385  0.6650  1
  Er  Er5  2  0.3603  0.3609  0.3359  1
]