data_[K8Rb4Ge4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Rb  0.8200  2.3500  1.6600
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [10.4792]
_cell_length_b [8.3265]
_cell_length_c [11.0595]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.9758]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [K2RbGe]
_chemical_formula_sum '[K8 Rb4 Ge4]'
_cell_volume [901.0514]
_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
[
  K  K0  4  0.1654  0.1724  0.5085  1
  K  K1  4  0.1725  0.6296  0.3708  1
  Rb  Rb2  4  0.4308  0.5052  0.7903  1
  Ge  Ge3  4  0.4680  0.1363  0.9876  1
]