data_[Cs1Na2Sn1Br8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Na  0.9300  1.8000  1.1600
  Sn  1.9600  1.4500  0.8300
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [6.2040]
_cell_length_b [10.0813]
_cell_length_c [7.0634]
_cell_angle_alpha [90.0000]
_cell_angle_beta [92.5165]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [CsNa2SnBr8]
_chemical_formula_sum '[Cs1 Na2 Sn1 Br8]'
_cell_volume [441.3448]
_cell_formula_units_Z [1]
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  1  0.0000  0.5000  0.0000  1.0
  Na  Na1  2  0.5000  0.2222  0.5000  1.0
  Sn  Sn2  1  0.0000  0.0000  0.0000  1.0
  Br  Br3  4  0.2355  0.1915  0.8537  1.0
  Br  Br4  2  0.2440  0.0000  0.3218  1.0
  Br  Br5  2  0.2539  0.5000  0.4961  1.0
]