data_[Y8Er12Tm20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Er  1.2400  1.7500  1.0300
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [11.8337]
_cell_length_b [16.0341]
_cell_length_c [6.5134]
_cell_angle_alpha [90.0000]
_cell_angle_beta [94.8078]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Y2Er3Tm5]
_chemical_formula_sum '[Y8 Er12 Tm20]'
_cell_volume [1231.5219]
_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
[
  Y  Y0  8  0.1261  0.1530  0.6224  1
  Er  Er1  8  0.1250  0.2511  0.1242  1
  Er  Er2  4  0.0000  0.0366  0.2500  1
  Tm  Tm3  8  0.1235  0.3495  0.6256  1
  Tm  Tm4  8  0.2493  0.4622  0.9988  1
  Tm  Tm5  4  0.0000  0.4625  0.2500  1
]