data_[Na8Ga4Ge8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ga  1.8100  1.3000  0.7600
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [10.8854]
_cell_length_b [4.4902]
_cell_length_c [10.6635]
_cell_angle_alpha [90.0000]
_cell_angle_beta [119.7240]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na2GaGe2]
_chemical_formula_sum '[Na8 Ga4 Ge8]'
_cell_volume [452.6258]
_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
[
  Na  Na0  4  0.0177  0.5000  0.6925  1.0
  Na  Na1  4  0.1924  0.5000  0.1066  1.0
  Ga  Ga2  4  0.2113  0.0000  0.3504  1.0
  Ge  Ge3  4  0.0207  0.0000  0.8964  1.0
  Ge  Ge4  4  0.1355  0.0000  0.5495  1.0
]