data_[Rb4Ga4Sn8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ga  1.8100  1.3000  0.7600
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [20.9039]
_cell_length_b [3.4662]
_cell_length_c [6.9529]
_cell_angle_alpha [90.0000]
_cell_angle_beta [98.6091]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [RbGaSn2]
_chemical_formula_sum '[Rb4 Ga4 Sn8]'
_cell_volume [498.1125]
_cell_formula_units_Z [4]
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
[
  Rb  Rb0  4  0.1409  0.0000  0.0781  1.0
  Ga  Ga1  4  0.1010  0.5000  0.5370  1.0
  Sn  Sn2  4  0.0039  0.5000  0.7633  1.0
  Sn  Sn3  4  0.2146  0.0000  0.6413  1.0
]