data_[Cs4Si2H8F4]
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
  H  2.2000  0.2500  0.0000
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [10.2023]
_cell_length_b [6.1283]
_cell_length_c [5.2346]
_cell_angle_alpha [90.0000]
_cell_angle_beta [95.6699]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Cs2SiH4F2]
_chemical_formula_sum '[Cs4 Si2 H8 F4]'
_cell_volume [325.6838]
_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  4  0.1756  0.5000  0.7625  1.0
  Si  Si1  2  0.0000  0.0000  0.5000  1.0
  H  H2  8  0.0572  0.1843  0.3272  1.0
  F  F3  4  0.1546  0.0000  0.7051  1.0
]