data_[Ti2Tl6Bi4Se12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ti  1.5400  1.4000  0.8517
  Tl  1.6200  1.9000  1.3325
  Bi  2.0200  1.6000  1.0350
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [7.2594]
_cell_length_b [12.5276]
_cell_length_c [7.9764]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.5212]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [TiTl3(BiSe3)2]
_chemical_formula_sum '[Ti2 Tl6 Bi4 Se12]'
_cell_volume [691.7346]
_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
[
  Ti  Ti0  2  0.0000  0.0000  0.0000  1
  Tl  Tl1  4  0.0000  0.1725  0.5000  1
  Tl  Tl2  2  0.0000  0.5000  0.5000  1
  Bi  Bi3  4  0.0000  0.3339  0.0000  1
  Se  Se4  8  0.2178  0.1515  0.2003  1
  Se  Se5  4  0.2344  0.0000  0.7948  1
]