data_[Cs2Sn1Ge1I6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Sn  1.9600  1.4500  0.8300
  Ge  2.0100  1.2500  0.7700
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [P4/mmm]
_cell_length_a [6.1817]
_cell_length_b [6.1817]
_cell_length_c [12.3179]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [Cs2SnGeI6]
_chemical_formula_sum '[Cs2 Sn1 Ge1 I6]'
_cell_volume [470.7045]
_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  2  0.0000  0.0000  0.2583  1.0
  Sn  Sn1  1  0.5000  0.5000  0.0000  1.0
  Ge  Ge2  1  0.5000  0.5000  0.5000  1.0
  I  I3  2  0.0000  0.5000  0.0000  1.0
  I  I4  2  0.0000  0.5000  0.5000  1.0
  I  I5  2  0.5000  0.5000  0.2575  1.0
]