data_[Zn6Ge6O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Zn  1.6500  1.3500  0.8800
  Ge  2.0100  1.2500  0.7700
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3c]
_cell_length_a [5.0603]
_cell_length_b [5.0603]
_cell_length_c [13.1349]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [161]
_chemical_formula_structural [ZnGeO3]
_chemical_formula_sum '[Zn6 Ge6 O18]'
_cell_volume [291.2794]
_cell_formula_units_Z [6]
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  6  0.0000  0.0000  0.2771  1
  Ge  Ge1  6  0.0000  0.0000  0.0008  1
  O  O2  18  0.0540  0.3457  0.5732  1
]