data_[Cs2Cu2Sn2I8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Cu  1.9000  1.3500  0.8200
  Sn  1.9600  1.4500  0.8300
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.1325]
_cell_length_b [8.2750]
_cell_length_c [10.2871]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.2641]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [CsCuSnI4]
_chemical_formula_sum '[Cs2 Cu2 Sn2 I8]'
_cell_volume [576.5678]
_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  2  0.1937  0.2500  0.9459  1.0
  Cu  Cu1  2  0.1403  0.2500  0.3229  1.0
  Sn  Sn2  2  0.3306  0.7500  0.5408  1.0
  I  I3  4  0.3218  0.5117  0.2876  1.0
  I  I4  2  0.1171  0.2500  0.5714  1.0
  I  I5  2  0.2318  0.7500  0.8384  1.0
]