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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

HSEh1PBE/6-31G**


Point group is Cs
Atom Internal Principal
x (Å) y (Å) z (Å)   a (Å) b (Å) c (Å)
S1 0.2986 0.3428 0.0000   0.0000 0.1050 0.4423
O2 -1.0372 0.9589 0.0000   0.0000 1.3834 -0.2854
O3 0.2986 -0.7082 1.2652   1.2652 -0.7497 -0.1693
O4 0.2986 -0.7082 -1.2652   -1.2652 -0.7497 -0.1693
H5 -0.6292 -0.9123 1.4745   1.4745 -0.3758 -1.0426
H6 -0.6292 -0.9123 -1.4745   -1.4745 -0.3758 -1.0426
Atom - Atom Distances (Å)
  S1 O2 O3 O4 H5 H6
S1 1.4711 1.6448 1.6448 2.1472 2.1472
O2 1.4711 2.4828 2.4828 2.4171 2.4171
O3 1.6448 2.4828 2.5304 0.9728 2.8998
O4 1.6448 2.4828 2.5304 2.8998 0.9728
H5 2.1472 2.4171 0.9728 2.8998 2.9490
H6 2.1472 2.4171 2.8998 0.9728 2.9490
Maximum atom distance is 2.9490Å 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 105.521 O2 S1 O4 105.521
O3 S1 O4 100.569
Calculated Bond Angles (degrees) (Involving Hydrogens)
atom1 atom2 atom3 angle         atom1 atom2 atom3 angle
S1 O3 H5 107.434 S1 O4 H6 107.434

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