data_[K2Rb2Ge2]
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/m]
_cell_length_a [7.0091]
_cell_length_b [4.2328]
_cell_length_c [10.0108]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.1400]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [KRbGe]
_chemical_formula_sum '[K2 Rb2 Ge2]'
_cell_volume [290.3655]
_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  2  0.2051  0.7500  0.3322  1
  K  K1  2  0.3429  0.7500  0.8449  1
  Ge  Ge2  2  0.1047  0.2500  0.0267  1
]