data_[Tm6Tl2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tm  1.2500  1.7500  1.0950
  Tl  1.6200  1.9000  1.3325
]
_symmetry_space_group_name_H-M [Pmmn]
_cell_length_a [5.3908]
_cell_length_b [6.5708]
_cell_length_c [6.2733]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [59]
_chemical_formula_structural [Tm3Tl]
_chemical_formula_sum '[Tm6 Tl2]'
_cell_volume [222.2107]
_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
[
  Tm  Tm0  4  0.0000  0.2549  0.1446  1
  Tm  Tm1  2  0.0000  0.5000  0.6317  1
  Tl  Tl2  2  0.0000  0.0000  0.6577  1
]