data_[Ga6Sn3Ge3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ga  1.8100  1.3000  0.7600
  Sn  1.9600  1.4500  0.8300
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [4.1290]
_cell_length_b [4.1290]
_cell_length_c [18.4217]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [Ga2SnGe]
_chemical_formula_sum '[Ga6 Sn3 Ge3]'
_cell_volume [271.9844]
_cell_formula_units_Z [3]
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
[
  Ga  Ga0  3  0.0000  0.0000  0.0705  1
  Ga  Ga1  3  0.0000  0.0000  0.2623  1
  Sn  Sn2  3  0.0000  0.0000  0.5011  1
  Ge  Ge3  3  0.0000  0.0000  0.6661  1
]