data_[Na4Ni4Ge8O24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ni  1.9100  1.3500  0.7400
  Ge  2.0100  1.2500  0.7700
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [9.9770]
_cell_length_b [8.7473]
_cell_length_c [5.4039]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.3307]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [NaNi(GeO3)2]
_chemical_formula_sum '[Na4 Ni4 Ge8 O24]'
_cell_volume [452.5836]
_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  0.0000  0.1915  0.2500  1
  Ni  Ni1  4  0.0000  0.4136  0.7500  1
  Ge  Ge2  8  0.2130  0.0979  0.7788  1
  O  O3  8  0.1023  0.4134  0.1228  1
  O  O4  8  0.1362  0.0222  0.0089  1
  O  O5  8  0.1454  0.2785  0.6806  1
]