data_[Rb4Tl4Ge4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Tl  1.6200  1.9000  1.3325
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [15.5302]
_cell_length_b [4.0893]
_cell_length_c [7.0757]
_cell_angle_alpha [90.0000]
_cell_angle_beta [101.9833]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [RbTlGe]
_chemical_formula_sum '[Rb4 Tl4 Ge4]'
_cell_volume [439.5684]
_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  4  0.1231  0.5000  0.8581  1.0
  Tl  Tl1  4  0.0883  0.0000  0.3427  1.0
  Ge  Ge2  4  0.2443  0.5000  0.3777  1.0
]