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Geometry for H2SO3 (Sulfurous acid) 1A' CS

1910171554
InChI=1S/H2O3S/c1-4(2)3/h(H2,1,2,3) INChIKey=LSNNMFCWUKXFEE-UHFFFAOYSA-N

HF/cc-pVTZ


Point group is Cs
Atom Internal Principal
x (Å) y (Å) z (Å)   a (Å) b (Å) c (Å)
S1 0.2914 0.3330 0.0000   0.0000 0.0971 0.4317
O2 -1.0163 0.9233 0.0000   0.0000 1.3449 -0.2764
O3 0.2914 -0.6814 1.2183   1.2183 -0.7222 -0.1665
O4 0.2914 -0.6814 -1.2183   -1.2183 -0.7222 -0.1665
H5 -0.5968 -0.9055 1.4655   1.4655 -0.3794 -1.0160
H6 -0.5968 -0.9055 -1.4655   -1.4655 -0.3794 -1.0160
Atom - Atom Distances (Å)
  S1 O2 O3 O4 H5 H6
S1 1.4347 1.5853 1.5853 2.1144 2.1144
O2 1.4347 2.4019 2.4019 2.3808 2.3808
O3 1.5853 2.4019 2.4365 0.9488 2.8358
O4 1.5853 2.4019 2.4365 2.8358 0.9488
H5 2.1144 2.3808 0.9488 2.8358 2.9310
H6 2.1144 2.3808 2.8358 0.9488 2.9310
Maximum atom distance is 2.9310Å between atoms H5 and H6.
picture of Sulfurous acid
Calculated Bond Angles (degrees) (Ignoring Hydrogens)
atom1 atom2 atom3 angle         atom1 atom2 atom3 angle
O2 S1 O3 105.264 O2 S1 O4 105.264
O3 S1 O4 100.433
Calculated Bond Angles (degrees) (Involving Hydrogens)
atom1 atom2 atom3 angle         atom1 atom2 atom3 angle
S1 O3 H5 110.572 S1 O4 H6 110.572

For information on specific bond angles or dihedrals see the geometry comparison page in section Comparisons > Geometry > Bonds, angles.