data_[Sm8Ho16Er12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Ho  1.2300  1.7500  1.0410
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [16.0939]
_cell_length_b [11.5502]
_cell_length_c [6.1129]
_cell_angle_alpha [90.0000]
_cell_angle_beta [95.9534]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Sm2Ho4Er3]
_chemical_formula_sum '[Sm8 Ho16 Er12]'
_cell_volume [1130.1768]
_cell_formula_units_Z [4]
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
[
  Sm  Sm0  8  0.1218  0.3553  0.8217  1
  Ho  Ho1  8  0.0466  0.1413  0.5143  1
  Ho  Ho2  8  0.2151  0.3603  0.3478  1
  Er  Er3  8  0.1653  0.0974  0.0922  1
  Er  Er4  4  0.0000  0.4028  0.2500  1
]