data_[Ti4Tl2Ir4]
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
  Ir  2.2000  1.3500  0.7650
]
_symmetry_space_group_name_H-M [P4/mbm]
_cell_length_a [7.5945]
_cell_length_b [7.5945]
_cell_length_c [2.9668]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [127]
_chemical_formula_structural [Ti2TlIr2]
_chemical_formula_sum '[Ti4 Tl2 Ir4]'
_cell_volume [171.1140]
_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  4  0.1577  0.6577  0.5000  1
  Tl  Tl1  2  0.0000  0.0000  0.0000  1
  Ir  Ir2  4  0.1326  0.3674  0.0000  1
]