data_[Ho4Er8Tm8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ho  1.2300  1.7500  1.0410
  Er  1.2400  1.7500  1.0300
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.0429]
_cell_length_b [4.9423]
_cell_length_c [11.0521]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0047]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ho(ErTm)2]
_chemical_formula_sum '[Ho4 Er8 Tm8]'
_cell_volume [603.1899]
_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
[
  Ho  Ho0  4  0.2498  0.5000  0.7502  1
  Er  Er1  4  0.0501  0.5000  0.1498  1
  Er  Er2  4  0.1498  0.5000  0.4499  1
  Tm  Tm3  4  0.0501  0.0000  0.6500  1
  Tm  Tm4  4  0.1499  0.0000  0.9499  1
]