data_[Rb4Ge4Sb6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ge  2.0100  1.2500  0.7700
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [6.7246]
_cell_length_b [10.8191]
_cell_length_c [6.9892]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.2185]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Rb2Ge2Sb3]
_chemical_formula_sum '[Rb4 Ge4 Sb6]'
_cell_volume [474.0236]
_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
[
  Rb  Rb0  4  0.0846  0.6572  0.0323  1
  Ge  Ge1  4  0.3858  0.1331  0.0522  1
  Sb  Sb2  4  0.4805  0.5926  0.7714  1
  Sb  Sb3  2  0.0000  0.0000  0.0000  1
]