data_[Ca6Ga6Pb6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Ga  1.8100  1.3000  0.7600
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [4.4048]
_cell_length_b [4.4048]
_cell_length_c [30.4959]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [CaGaPb]
_chemical_formula_sum '[Ca6 Ga6 Pb6]'
_cell_volume [512.4210]
_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
[
  Ca  Ca0  6  0.0000  0.0000  0.4320  1.0
  Ga  Ga1  6  0.0000  0.0000  0.1642  1.0
  Pb  Pb2  6  0.0000  0.0000  0.3058  1.0
]