data_[Rb6Ge2S8]
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
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [5.7664]
_cell_length_b [13.2517]
_cell_length_c [7.0463]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [Rb3GeS4]
_chemical_formula_sum '[Rb6 Ge2 S8]'
_cell_volume [538.4395]
_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  0.0000  0.2881  0.6507  1
  Rb  Rb1  2  0.0000  0.0000  0.8486  1
  Ge  Ge2  2  0.0000  0.5000  0.0222  1
  S  S3  4  0.0000  0.3593  0.1933  1
  S  S4  4  0.2261  0.0000  0.2960  1
]