data_[Na4Ge2B4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ge  2.0100  1.2500  0.7700
  B  2.0400  0.8500  0.4100
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [8.4759]
_cell_length_b [4.9999]
_cell_length_c [5.9659]
_cell_angle_alpha [90.0000]
_cell_angle_beta [116.7070]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na2Ge(BO3)2]
_chemical_formula_sum '[Na4 Ge2 B4 O12]'
_cell_volume [225.8539]
_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  4  0.1971  0.5000  0.1394  1
  Ge  Ge1  2  0.0000  0.5000  0.5000  1
  B  B2  4  0.0753  0.0000  0.2994  1
  O  O3  8  0.0222  0.2374  0.7449  1
  O  O4  4  0.2492  0.0000  0.3596  1
]