data_[Rb2Ac2Pb2S6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ac  1.1000  1.9500  1.2600
  Pb  2.3300  1.8000  1.1225
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [9.1979]
_cell_length_b [4.3520]
_cell_length_c [13.0005]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.4200]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbAcPbS3]
_chemical_formula_sum '[Rb2 Ac2 Pb2 S6]'
_cell_volume [499.1740]
_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
[
  Rb  Rb0  2  0.0676  0.7500  0.8682  1
  Ac  Ac1  2  0.4444  0.2500  0.1326  1
  Pb  Pb2  2  0.3293  0.7500  0.3739  1
  S  S3  2  0.2232  0.7500  0.1473  1
  S  S4  2  0.3486  0.2500  0.8924  1
  S  S5  2  0.4883  0.7500  0.6268  1
]