data_[Rb4Zn6Ge2As8]
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
  As  2.1800  1.1500  0.6600
]
_symmetry_space_group_name_H-M [C222]
_cell_length_a [5.8898]
_cell_length_b [14.9109]
_cell_length_c [5.8827]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [21]
_chemical_formula_structural [Rb2Zn3GeAs4]
_chemical_formula_sum '[Rb4 Zn6 Ge2 As8]'
_cell_volume [516.6318]
_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  0.2500  0.2500  0.7509  1
  Zn  Zn1  2  0.0000  0.0000  0.5000  1
  Zn  Zn2  2  0.0000  0.5000  0.0000  1
  Zn  Zn3  2  0.0000  0.5000  0.5000  1
  Ge  Ge4  2  0.0000  0.0000  0.0000  1
  As  As5  8  0.2425  0.1028  0.2429  1
]