data_[Y4Tm8Tl4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Tm  1.2500  1.7500  1.0950
  Tl  1.6200  1.9000  1.3325
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [4.5895]
_cell_length_b [21.7573]
_cell_length_c [4.7352]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [YTm2Tl]
_chemical_formula_sum '[Y4 Tm8 Tl4]'
_cell_volume [472.8326]
_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  4  0.0000  0.3059  0.7500  1
  Tm  Tm1  4  0.0000  0.0669  0.2500  1
  Tm  Tm2  4  0.0000  0.4421  0.2500  1
  Tl  Tl3  4  0.0000  0.1648  0.7500  1
]