data_[Ba6Si4Ge8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Si  1.9000  1.1000  0.5400
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [13.2514]
_cell_length_b [4.1239]
_cell_length_c [9.5341]
_cell_angle_alpha [90.0000]
_cell_angle_beta [98.5740]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ba3(SiGe2)2]
_chemical_formula_sum '[Ba6 Si4 Ge8]'
_cell_volume [515.1889]
_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
[
  Ba  Ba0  4  0.1469  0.5000  0.6527  1
  Ba  Ba1  2  0.0000  0.0000  0.0000  1
  Si  Si2  4  0.1540  0.5000  0.2667  1
  Ge  Ge3  4  0.0790  0.0000  0.3525  1
  Ge  Ge4  4  0.1990  0.5000  0.0229  1
]