data_[Hf3Ni6Ge3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Hf  1.3000  1.5500  0.8500
  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 [R3]
_cell_length_a [5.1376]
_cell_length_b [5.1376]
_cell_length_c [13.9170]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [HfNi2GeO6]
_chemical_formula_sum '[Hf3 Ni6 Ge3 O18]'
_cell_volume [318.1192]
_cell_formula_units_Z [3]
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
[
  Hf  Hf0  3  0.0000  0.0000  0.8141  1.0
  Ni  Ni1  3  0.0000  0.0000  0.0181  1.0
  Ni  Ni2  3  0.0000  0.0000  0.5223  1.0
  Ge  Ge3  3  0.0000  0.0000  0.3177  1.0
  O  O4  9  0.0036  0.3685  0.5849  1.0
  O  O5  9  0.0116  0.7132  0.4117  1.0
]