data_[Pm5Sm1Er5]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Sm  1.1700  1.8500  1.2290
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [P-6m2]
_cell_length_a [6.0856]
_cell_length_b [6.0856]
_cell_length_c [11.7833]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [187]
_chemical_formula_structural [Pm5SmEr5]
_chemical_formula_sum '[Pm5 Sm1 Er5]'
_cell_volume [377.9259]
_cell_formula_units_Z [1]
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  0.3181  1
  Pm  Pm1  2  0.3333  0.6667  0.1541  1
  Pm  Pm2  1  0.6667  0.3333  0.0000  1
  Sm  Sm3  1  0.0000  0.0000  0.0000  1
  Er  Er4  3  0.5001  0.0003  0.5000  1
  Er  Er5  2  0.6667  0.3333  0.2661  1
]