data_[Si2H12Cl4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Si  1.9000  1.1000  0.5400
  H  2.2000  0.2500  0.0000
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [7.2523]
_cell_length_b [5.2945]
_cell_length_c [7.0883]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.8908]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Si(H3Cl)2]
_chemical_formula_sum '[Si2 H12 Cl4]'
_cell_volume [260.4324]
_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
[
  Si  Si0  2  0.0000  0.0000  0.0000  1
  H  H1  8  0.0696  0.2124  0.8814  1
  H  H2  4  0.0000  0.0710  0.5000  1
  Cl  Cl3  4  0.1856  0.5000  0.7686  1
]