data_[Nb2Tl4Te10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nb  1.6000  1.4500  0.8200
  Tl  1.6200  1.9000  1.3325
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [6.3127]
_cell_length_b [8.1013]
_cell_length_c [13.5746]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [NbTl2Te5]
_chemical_formula_sum '[Nb2 Tl4 Te10]'
_cell_volume [694.2229]
_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
[
  Nb  Nb0  2  0.0000  0.5000  0.0777  1
  Tl  Tl1  2  0.0000  0.0000  0.1704  1
  Tl  Tl2  2  0.0000  0.0000  0.6909  1
  Te  Te3  8  0.2439  0.2456  0.5034  1
  Te  Te4  2  0.0000  0.5000  0.2706  1
]