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	hartrees
Energy at 0K	-623.899999
Energy at 298.15K	-623.903857
HF Energy	-623.183878
Nuclear repulsion energy	192.070240

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3669	3485	103.37
2	A'	1293	1228	157.85
3	A'	1161	1103	35.14
4	A'	810	769	159.87
5	A'	488	463	19.65
6	A'	463	440	172.55
7	A'	325	309	25.35
8	A"	3666	3482	35.18
9	A"	1158	1100	80.05
10	A"	812	771	336.11
11	A"	450	428	79.60
12	A"	168	160	26.12

Atom	x (Å)	y (Å)	z (Å)
S1	0.300	0.347	0.000
O2	-1.043	0.952	0.000
O3	0.300	-0.708	1.263
O4	0.300	-0.708	-1.263
H5	-0.634	-0.921	1.472
H6	-0.634	-0.921	-1.472

	S1	O2	O3	O4	H5	H6
S1		1.4730	1.6462	1.6462	2.1562	2.1562
O2	1.4730		2.4811	2.4811	2.4169	2.4169
O3	1.6462	2.4811		2.5263	0.9811	2.8981
O4	1.6462	2.4811	2.5263		2.8981	0.9811
H5	2.1562	2.4169	0.9811	2.8981		2.9437
H6	2.1562	2.4169	2.8981	0.9811	2.9437

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

using model chemistry: CCSD=FULL/6-31G*

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: CCSD=FULL/6-31G*

States and conformations

Conformer 1 (CS)

Conformer 2 (CS)

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