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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

M06-2X/6-31+G**


Point group is Cs
Atom Internal Principal
x (Å) y (Å) z (Å)   a (Å) b (Å) c (Å)
S1 0.2988 0.3443 0.0000   0.0000 0.1042 0.4438
O2 -1.0400 0.9503 0.0000   0.0000 1.3793 -0.2867
O3 0.2988 -0.7038 1.2548   1.2548 -0.7455 -0.1699
O4 0.2988 -0.7038 -1.2548   -1.2548 -0.7455 -0.1699
H5 -0.6207 -0.9253 1.4878   1.4878 -0.3866 -1.0450
H6 -0.6207 -0.9253 -1.4878   -1.4878 -0.3866 -1.0450
Atom - Atom Distances (Å)
  S1 O2 O3 O4 H5 H6
S1 1.4696 1.6350 1.6350 2.1612 2.1612
O2 1.4696 2.4704 2.4704 2.4305 2.4305
O3 1.6350 2.4704 2.5096 0.9741 2.9011
O4 1.6350 2.4704 2.5096 2.9011 0.9741
H5 2.1612 2.4305 0.9741 2.9011 2.9755
H6 2.1612 2.4305 2.9011 0.9741 2.9755
Maximum atom distance is 2.9755Å 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 105.328 O2 S1 O4 105.328
O3 S1 O4 100.258
Calculated Bond Angles (degrees) (Involving Hydrogens)
atom1 atom2 atom3 angle         atom1 atom2 atom3 angle
S1 O3 H5 109.228 S1 O4 H6 109.228

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