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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

PBEPBE/6-31G**


Point group is Cs
Atom Internal Principal
x (Å) y (Å) z (Å)   a (Å) b (Å) c (Å)
S1 0.3013 0.3446 0.0000   0.0000 0.1094 0.4445
O2 -1.0439 0.9888 0.0000   0.0000 1.4088 -0.2877
O3 0.3013 -0.7239 1.3013   1.3013 -0.7658 -0.1685
O4 0.3013 -0.7239 -1.3013   -1.3013 -0.7658 -0.1685
H5 -0.6449 -0.9209 1.4931   1.4931 -0.3843 -1.0565
H6 -0.6449 -0.9209 -1.4931   -1.4931 -0.3843 -1.0565
Atom - Atom Distances (Å)
  S1 O2 O3 O4 H5 H6
S1 1.4914 1.6838 1.6838 2.1740 2.1740
O2 1.4914 2.5370 2.5370 2.4568 2.4568
O3 1.6838 2.5370 2.6026 0.9853 2.9569
O4 1.6838 2.5370 2.6026 2.9569 0.9853
H5 2.1740 2.4568 0.9853 2.9569 2.9863
H6 2.1740 2.4568 2.9569 0.9853 2.9863
Maximum atom distance is 2.9863Å 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 105.909 O2 S1 O4 105.909
O3 S1 O4 101.219
Calculated Bond Angles (degrees) (Involving Hydrogens)
atom1 atom2 atom3 angle         atom1 atom2 atom3 angle
S1 O3 H5 106.101 S1 O4 H6 106.101

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