data_[Si8Cl4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Si  1.9000  1.1000  0.5400
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [6.7378]
_cell_length_b [3.8904]
_cell_length_c [11.7371]
_cell_angle_alpha [90.0000]
_cell_angle_beta [101.9694]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [Si2Cl]
_chemical_formula_sum '[Si8 Cl4]'
_cell_volume [300.9736]
_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
[
  Si  Si0  2  0.0314  0.0000  0.3690  1.0
  Si  Si1  2  0.0985  0.5000  0.0945  1.0
  Si  Si2  2  0.2222  0.5000  0.4358  1.0
  Si  Si3  2  0.4560  0.5000  0.1613  1.0
  Cl  Cl4  2  0.0334  0.5000  0.9139  1.0
  Cl  Cl5  2  0.2873  0.5000  0.6164  1.0
]