data_[Cu18Pb2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cu  1.9000  1.3500  0.8200
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [P4/nmm]
_cell_length_a [2.7598]
_cell_length_b [2.7598]
_cell_length_c [43.0736]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [129]
_chemical_formula_structural [Cu9Pb]
_chemical_formula_sum '[Cu18 Pb2]'
_cell_volume [328.0612]
_cell_formula_units_Z [2]
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
[
  Cu  Cu0  2  0.0000  0.5000  0.2250  1
  Cu  Cu1  2  0.0000  0.5000  0.2993  1
  Cu  Cu2  2  0.0000  0.5000  0.3726  1
  Cu  Cu3  2  0.0000  0.5000  0.4452  1
  Cu  Cu4  2  0.0000  0.5000  0.5183  1
  Cu  Cu5  2  0.0000  0.5000  0.5914  1
  Cu  Cu6  2  0.0000  0.5000  0.6639  1
  Cu  Cu7  2  0.0000  0.5000  0.7376  1
  Cu  Cu8  2  0.0000  0.5000  0.8122  1
  Pb  Pb9  2  0.0000  0.5000  0.1350  1
]