data_[Na2Ga2Ge2]
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 [P1]
_cell_length_a [4.2644]
_cell_length_b [5.8698]
_cell_length_c [6.5477]
_cell_angle_alpha [73.2287]
_cell_angle_beta [88.6941]
_cell_angle_gamma [71.7178]
_symmetry_Int_Tables_number [1]
_chemical_formula_structural [NaGaGe]
_chemical_formula_sum '[Na2 Ga2 Ge2]'
_cell_volume [148.5923]
_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
[
  Na  Na0  1  0.0597  0.2429  0.7093  1.0
  Na  Na1  1  0.2989  0.7451  0.3407  1.0
  Ga  Ga2  1  0.3100  0.6372  0.8354  1.0
  Ga  Ga3  1  0.6239  0.1907  0.0920  1.0
  Ge  Ge4  1  0.0438  0.3587  0.2206  1.0
  Ge  Ge5  1  0.7368  0.8047  0.9633  1.0
]