data_[Pm1Sm10Er6]
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-31m]
_cell_length_a [9.7575]
_cell_length_b [9.7575]
_cell_length_c [6.8551]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [162]
_chemical_formula_structural [Pm(Sm5Er3)2]
_chemical_formula_sum '[Pm1 Sm10 Er6]'
_cell_volume [565.2225]
_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  1  0.0000  0.0000  0.5000  1
  Sm  Sm1  6  0.0000  0.2770  0.8181  1
  Sm  Sm2  2  0.3333  0.6667  0.5000  1
  Sm  Sm3  2  0.3333  0.6667  0.0000  1
  Er  Er4  6  0.0000  0.3722  0.3088  1
]