data_[In1Ga2Cu1Br1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  In  1.7800  1.5500  0.9400
  Ga  1.8100  1.3000  0.7600
  Cu  1.9000  1.3500  0.8200
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [P4/mmm]
_cell_length_a [4.7836]
_cell_length_b [4.7836]
_cell_length_c [5.3057]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [InGa2CuBr]
_chemical_formula_sum '[In1 Ga2 Cu1 Br1]'
_cell_volume [121.4125]
_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
[
  In  In0  1  0.0000  0.0000  0.5000  1
  Ga  Ga1  2  0.0000  0.5000  0.0000  1
  Cu  Cu2  1  0.0000  0.0000  0.0000  1
  Br  Br3  1  0.5000  0.5000  0.5000  1
]