data_[Rb8Zn4Ge4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Zn  1.6500  1.3500  0.8800
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [11.0736]
_cell_length_b [8.0045]
_cell_length_c [6.4931]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Rb2ZnGe]
_chemical_formula_sum '[Rb8 Zn4 Ge4]'
_cell_volume [575.5445]
_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  8  0.1686  0.1476  0.2500  1.0
  Zn  Zn1  4  0.0000  0.5000  0.0000  1.0
  Ge  Ge2  4  0.0000  0.2711  0.7500  1.0
]