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	hartrees
Energy at 0K	-623.974696
Energy at 298.15K	-623.978403
HF Energy	-623.209187
Nuclear repulsion energy	188.822616

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A'	3704	3574
2	A'	1226	1183
3	A'	1102	1064
4	A'	730	704
5	A'	457	441
6	A'	424	409
7	A'	310	299
8	A"	3702	3573
9	A"	1092	1054
10	A"	735	709
11	A"	423	408
12	A"	168	162

Atom	x (Å)	y (Å)	z (Å)
S1	0.305	0.355	0.000
O2	-1.057	0.974	0.000
O3	0.305	-0.728	1.288
O4	0.305	-0.728	-1.288
H5	-0.643	-0.909	1.450
H6	-0.643	-0.909	-1.450

	S1	O2	O3	O4	H5	H6
S1		1.4958	1.6832	1.6832	2.1444	2.1444
O2	1.4958		2.5320	2.5320	2.4119	2.4119
O3	1.6832	2.5320		2.5762	0.9785	2.9030
O4	1.6832	2.5320	2.5762		2.9030	0.9785
H5	2.1444	2.4119	0.9785	2.9030		2.8995
H6	2.1444	2.4119	2.9030	0.9785	2.8995

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	O3	H5	104.194	S1	O4	H6	104.194
O2	S1	O3	105.436	O2	S1	O4	105.436
O3	S1	O4	99.865

All results from a given calculation for H₂SO₃ (Sulfurous acid)

using model chemistry: MP4=FULL/cc-pVDZ

States and conformations

Conformer 1 (CS)

Conformer 2 (CS)

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All results from a given calculation for H2SO3 (Sulfurous acid)

using model chemistry: MP4=FULL/cc-pVDZ

States and conformations

Conformer 1 (CS)

Conformer 2 (CS)

All results from a given calculation for H₂SO₃ (Sulfurous acid)