data_[La1Pm2Er6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Pm  1.1300  1.8500  1.1100
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [P-3]
_cell_length_a [9.7401]
_cell_length_b [9.7401]
_cell_length_c [3.5346]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [147]
_chemical_formula_structural [La(PmEr3)2]
_chemical_formula_sum '[La1 Pm2 Er6]'
_cell_volume [290.4046]
_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
[
  La  La0  1  0.0000  0.0000  0.5000  1
  Pm  Pm1  2  0.3333  0.6667  0.7373  1
  Er  Er2  6  0.0226  0.6691  0.2316  1
]