data_[Y2Er10Tl4]
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
  Tl  1.6200  1.9000  1.3325
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [3.5880]
_cell_length_b [10.4266]
_cell_length_c [12.6671]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [YEr5Tl2]
_chemical_formula_sum '[Y2 Er10 Tl4]'
_cell_volume [473.8852]
_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  0.0000  0.0000  1.0
  Er  Er1  8  0.0000  0.2277  0.3667  1.0
  Er  Er2  2  0.0000  0.5000  0.0000  1.0
  Tl  Tl3  4  0.0000  0.5000  0.2609  1.0
]