data_[Al1Tl2Ir1]
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
  Ir  2.2000  1.3500  0.7650
]
_symmetry_space_group_name_H-M [Pmmm]
_cell_length_a [3.2454]
_cell_length_b [4.9406]
_cell_length_c [5.1018]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [47]
_chemical_formula_structural [AlTl2Ir]
_chemical_formula_sum '[Al1 Tl2 Ir1]'
_cell_volume [81.8030]
_cell_formula_units_Z [1]
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  1  0.5000  0.5000  0.0000  1
  Tl  Tl1  1  0.0000  0.0000  0.0000  1
  Tl  Tl2  1  0.5000  0.0000  0.5000  1
  Ir  Ir3  1  0.0000  0.5000  0.5000  1
]