data_[Al2Tl2Te4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Al  1.6100  1.2500  0.6750
  Tl  1.6200  1.9000  1.3325
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [3.9536]
_cell_length_b [6.8141]
_cell_length_c [9.7123]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [AlTlTe2]
_chemical_formula_sum '[Al2 Tl2 Te4]'
_cell_volume [261.6537]
_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
[
  Al  Al0  2  0.0000  0.0000  0.5000  1
  Tl  Tl1  2  0.0000  0.0000  0.0000  1
  Te  Te2  4  0.0000  0.5000  0.1890  1
]