data_[Ce2Ho6Er8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Ho  1.2300  1.7500  1.0410
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [Pmn2_1]
_cell_length_a [11.2098]
_cell_length_b [7.1737]
_cell_length_c [6.2052]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [CeHo3Er4]
_chemical_formula_sum '[Ce2 Ho6 Er8]'
_cell_volume [498.9944]
_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
[
  Ce  Ce0  2  0.0000  0.3757  0.1468  1.0
  Ho  Ho1  4  0.2498  0.3753  0.4792  1.0
  Ho  Ho2  2  0.0000  0.6238  0.6488  1.0
  Er  Er3  4  0.2498  0.8740  0.4837  1.0
  Er  Er4  2  0.0000  0.1259  0.6478  1.0
  Er  Er5  2  0.0000  0.8753  0.1460  1.0
]