data_[Y6Ho8Tl8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Ho  1.2300  1.7500  1.0410
  Tl  1.6200  1.9000  1.3325
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [3.6968]
_cell_length_b [9.5672]
_cell_length_c [18.4187]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Y3(HoTl)4]
_chemical_formula_sum '[Y6 Ho8 Tl8]'
_cell_volume [651.4342]
_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  4  0.0000  0.0000  0.0976  1
  Y  Y1  2  0.0000  0.5000  0.0000  1
  Ho  Ho2  8  0.0000  0.1931  0.6652  1
  Tl  Tl3  4  0.0000  0.2778  0.5000  1
  Tl  Tl4  4  0.0000  0.5000  0.2648  1
]