data_[Zn2Ni18Ge4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Zn  1.6500  1.3500  0.8800
  Ni  1.9100  1.3500  0.7400
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [3.6482]
_cell_length_b [3.6482]
_cell_length_c [20.4470]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [ZnNi9Ge2]
_chemical_formula_sum '[Zn2 Ni18 Ge4]'
_cell_volume [272.1418]
_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
[
  Zn  Zn0  2  0.0000  0.0000  0.5000  1.0
  Ni  Ni1  8  0.0000  0.5000  0.0841  1.0
  Ni  Ni2  4  0.0000  0.0000  0.3342  1.0
  Ni  Ni3  4  0.0000  0.5000  0.2500  1.0
  Ni  Ni4  2  0.0000  0.0000  0.0000  1.0
  Ge  Ge5  4  0.0000  0.0000  0.1674  1.0
]