data_[Rb18Ge3F36]
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
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [11.6137]
_cell_length_b [11.6137]
_cell_length_c [10.9894]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Rb6GeF12]
_chemical_formula_sum '[Rb18 Ge3 F36]'
_cell_volume [1283.6440]
_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
[
  Rb  Rb0  18  0.0712  0.5893  0.3242  1.0
  Ge  Ge1  3  0.0000  0.0000  0.0000  1.0
  F  F2  18  0.0407  0.8943  0.9047  1.0
  F  F3  18  0.0761  0.5906  0.0670  1.0
]