data_[Tl1Zn1Ga2Cu1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tl  1.6200  1.9000  1.3325
  Zn  1.6500  1.3500  0.8800
  Ga  1.8100  1.3000  0.7600
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [P4/mmm]
_cell_length_a [4.7696]
_cell_length_b [4.7696]
_cell_length_c [4.7666]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [TlZnGa2Cu]
_chemical_formula_sum '[Tl1 Zn1 Ga2 Cu1]'
_cell_volume [108.4369]
_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
[
  Tl  Tl0  1  0.5000  0.5000  0.5000  1
  Zn  Zn1  1  0.0000  0.0000  0.5000  1
  Ga  Ga2  2  0.0000  0.5000  0.0000  1
  Cu  Cu3  1  0.0000  0.0000  0.0000  1
]