data_[Y2Er6Tm8]
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 [Pmn2_1]
_cell_length_a [11.0930]
_cell_length_b [7.1723]
_cell_length_c [6.1986]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [YEr3Tm4]
_chemical_formula_sum '[Y2 Er6 Tm8]'
_cell_volume [493.1738]
_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
[
  Y  Y0  2  0.0000  0.3740  0.1477  1
  Er  Er1  4  0.2499  0.3739  0.4822  1
  Er  Er2  2  0.0000  0.6258  0.6477  1
  Tm  Tm3  4  0.2489  0.8761  0.4802  1
  Tm  Tm4  2  0.0000  0.1239  0.6483  1
  Tm  Tm5  2  0.0000  0.8756  0.1469  1
]