data_[Cs4Na4Sn4Se8]
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
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [15.1869]
_cell_length_b [5.0368]
_cell_length_c [10.1380]
_cell_angle_alpha [90.0000]
_cell_angle_beta [94.8834]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [CsNaSnSe2]
_chemical_formula_sum '[Cs4 Na4 Sn4 Se8]'
_cell_volume [772.6740]
_cell_formula_units_Z [4]
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  0.1548  0.5000  0.6712  1.0
  Na  Na1  4  0.1862  0.5000  0.0602  1.0
  Sn  Sn2  4  0.0562  0.0000  0.2095  1.0
  Se  Se3  4  0.1247  0.0000  0.9676  1.0
  Se  Se4  4  0.1335  0.5000  0.3172  1.0
]