data_[Ac8Pb2S2N2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Pb  2.3300  1.8000  1.1225
  S  2.5800  1.0000  0.8800
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.4468]
_cell_length_b [7.6964]
_cell_length_c [8.9592]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.5195]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Ac4PbSN]
_chemical_formula_sum '[Ac8 Pb2 S2 N2]'
_cell_volume [492.2948]
_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  0.0148  0.5092  0.2710  1
  Ac  Ac1  2  0.4245  0.7500  0.1326  1
  Ac  Ac2  2  0.4670  0.7500  0.5773  1
  Pb  Pb3  2  0.2207  0.2500  0.0508  1
  S  S4  2  0.1929  0.2500  0.5524  1
  N  N5  2  0.2409  0.7500  0.3222  1
]