data_[Cs8Ac2Br14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Ac  1.1000  1.9500  1.2600
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [26.6862]
_cell_length_b [6.0227]
_cell_length_c [8.2210]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.2074]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Cs4AcBr7]
_chemical_formula_sum '[Cs8 Ac2 Br14]'
_cell_volume [1262.1631]
_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
[
  Cs  Cs0  4  0.0873  0.5000  0.6469  1
  Cs  Cs1  4  0.2065  0.5000  0.2251  1
  Ac  Ac2  2  0.0000  0.0000  0.0000  1
  Br  Br3  4  0.0557  0.0000  0.3747  1
  Br  Br4  4  0.1071  0.0000  0.9393  1
  Br  Br5  4  0.2197  0.5000  0.6869  1
  Br  Br6  2  0.0000  0.5000  0.0000  1
]