data_[Ac10Cu4Pb10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Cu  1.9000  1.3500  0.8200
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [17.3162]
_cell_length_b [4.8041]
_cell_length_c [12.5400]
_cell_angle_alpha [90.0000]
_cell_angle_beta [130.4411]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ac5Cu2Pb5]
_chemical_formula_sum '[Ac10 Cu4 Pb10]'
_cell_volume [793.9416]
_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
[
  Ac  Ac0  4  0.1110  0.5000  0.9189  1
  Ac  Ac1  4  0.1980  0.5000  0.3242  1
  Ac  Ac2  2  0.0000  0.5000  0.5000  1
  Cu  Cu3  4  0.1420  0.0000  0.7506  1
  Pb  Pb4  4  0.0588  0.0000  0.3497  1
  Pb  Pb5  4  0.2494  0.5000  0.8144  1
  Pb  Pb6  2  0.0000  0.0000  0.0000  1
]