data_[La6Pm12Y2Er4]
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
  Y  1.2200  1.8000  1.0400
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [6.3161]
_cell_length_b [10.9505]
_cell_length_c [12.0741]
_cell_angle_alpha [90.0000]
_cell_angle_beta [100.0835]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [La3Pm6YEr2]
_chemical_formula_sum '[La6 Pm12 Y2 Er4]'
_cell_volume [822.2017]
_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
[
  La  La0  4  0.0000  0.1669  0.5000  1
  La  La1  2  0.0000  0.5000  0.5000  1
  Pm  Pm2  8  0.2486  0.1674  0.2435  1
  Pm  Pm3  4  0.2466  0.5000  0.2434  1
  Y  Y4  2  0.0000  0.0000  0.0000  1
  Er  Er5  4  0.0000  0.3334  0.0000  1
]