data_[Ta2Al2Br4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ta  1.5000  1.4500  0.8200
  Al  1.6100  1.2500  0.6750
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [3.5294]
_cell_length_b [3.7640]
_cell_length_c [16.2102]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [TaAlBr2]
_chemical_formula_sum '[Ta2 Al2 Br4]'
_cell_volume [215.3453]
_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
[
  Ta  Ta0  2  0.0000  0.0000  0.1468  1
  Al  Al1  2  0.5000  0.0000  0.5992  1
  Br  Br2  2  0.0000  0.0000  0.9847  1
  Br  Br3  2  0.5000  0.0000  0.2686  1
]