data_[Ga3Cu6Pb3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ga  1.8100  1.3000  0.7600
  Cu  1.9000  1.3500  0.8200
  Pb  2.3300  1.8000  1.1225
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [5.2407]
_cell_length_b [5.2407]
_cell_length_c [14.0254]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [GaCu2PbO6]
_chemical_formula_sum '[Ga3 Cu6 Pb3 O18]'
_cell_volume [333.5946]
_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
[
  Ga  Ga0  3  0.0000  0.0000  0.3105  1.0
  Cu  Cu1  3  0.0000  0.0000  0.0123  1.0
  Cu  Cu2  3  0.0000  0.0000  0.5183  1.0
  Pb  Pb3  3  0.0000  0.0000  0.8037  1.0
  O  O4  9  0.0242  0.3524  0.5891  1.0
  O  O5  9  0.0679  0.7078  0.0830  1.0
]