data_[Ho3Er21Tm36]
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 [R-3]
_cell_length_a [12.5996]
_cell_length_b [12.5996]
_cell_length_c [13.4080]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [HoEr7Tm12]
_chemical_formula_sum '[Ho3 Er21 Tm36]'
_cell_volume [1843.3449]
_cell_formula_units_Z [3]
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  3  0.0000  0.0000  0.0000  1
  Er  Er1  18  0.0686  0.2004  0.8481  1
  Er  Er2  3  0.0000  0.0000  0.5000  1
  Tm  Tm3  18  0.0007  0.5639  0.2497  1
  Tm  Tm4  18  0.0686  0.8685  0.3482  1
]