data_[Ac16Os2Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Os  2.2000  1.3000  0.6730
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [20.8809]
_cell_length_b [4.8178]
_cell_length_c [8.8152]
_cell_angle_alpha [90.0000]
_cell_angle_beta [96.0298]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ac8OsPb2]
_chemical_formula_sum '[Ac16 Os2 Pb4]'
_cell_volume [881.9011]
_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  0.0003  0.0000  0.7893  1
  Ac  Ac1  4  0.0966  0.5000  0.5228  1
  Ac  Ac2  4  0.1402  0.5000  0.0212  1
  Ac  Ac3  4  0.2154  0.0000  0.3515  1
  Os  Os4  2  0.0000  0.5000  0.0000  1
  Pb  Pb5  4  0.1807  0.0000  0.7618  1
]