data_[Tl6Zn3Ge3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tl  1.6200  1.9000  1.3325
  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 [R3]
_cell_length_a [5.4728]
_cell_length_b [5.4728]
_cell_length_c [14.0712]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [Tl2ZnGeO6]
_chemical_formula_sum '[Tl6 Zn3 Ge3 O18]'
_cell_volume [364.9847]
_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
[
  Tl  Tl0  3  0.0000  0.0000  0.4585  1.0
  Tl  Tl1  3  0.0000  0.0000  0.9639  1.0
  Zn  Zn2  3  0.0000  0.0000  0.1944  1.0
  Ge  Ge3  3  0.0000  0.0000  0.6826  1.0
  O  O4  9  0.0093  0.3982  0.4197  1.0
  O  O5  9  0.0737  0.7061  0.2599  1.0
]