data_[Cs2Si2Sn2Te8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Si  1.9000  1.1000  0.5400
  Sn  1.9600  1.4500  0.8300
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.9399]
_cell_length_b [7.7659]
_cell_length_c [10.5072]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.8808]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [CsSiSnTe4]
_chemical_formula_sum '[Cs2 Si2 Sn2 Te8]'
_cell_volume [538.9320]
_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  0.1895  0.2500  0.9417  1.0
  Si  Si1  2  0.1420  0.2500  0.3325  1.0
  Sn  Sn2  2  0.3199  0.7500  0.5455  1.0
  Te  Te3  4  0.3438  0.5098  0.2959  1.0
  Te  Te4  2  0.1363  0.2500  0.5716  1.0
  Te  Te5  2  0.2113  0.7500  0.8229  1.0
]