data_[Rb6Ge6H18]
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
  H  2.2000  0.2500  0.0000
]
_symmetry_space_group_name_H-M [R3c]
_cell_length_a [6.5874]
_cell_length_b [6.5874]
_cell_length_c [14.8667]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [161]
_chemical_formula_structural [RbGeH3]
_chemical_formula_sum '[Rb6 Ge6 H18]'
_cell_volume [558.6849]
_cell_formula_units_Z [6]
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  6  0.0000  0.0000  0.2366  1.0
  Ge  Ge1  6  0.0000  0.0000  0.4941  1.0
  H  H2  18  0.1721  0.7350  0.5993  1.0
]