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	hartrees
Energy at 0K	-624.028358
Energy at 298.15K	-624.032060
HF Energy	-623.251201
Nuclear repulsion energy	189.337880

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3741	3604	99.55
2	A'	1235	1190	110.58
3	A'	1093	1053	71.43
4	A'	765	737	131.50
5	A'	461	444	16.90
6	A'	401	386	132.40
7	A'	326	314	15.02
8	A"	3738	3601	51.40
9	A"	1139	1098	57.26
10	A"	764	736	305.93
11	A"	418	403	48.69
12	A"	143	138	21.00

Atom	x (Å)	y (Å)	z (Å)
S1	0.305	0.351	0.000
O2	-1.062	0.966	0.000
O3	0.305	-0.723	1.281
O4	0.305	-0.723	-1.281
H5	-0.629	-0.890	1.501
H6	-0.629	-0.890	-1.501

	S1	O2	O3	O4	H5	H6
S1		1.4993	1.6721	1.6721	2.1604	2.1604
O2	1.4993		2.5231	2.5231	2.4264	2.4264
O3	1.6721	2.5231		2.5615	0.9741	2.9395
O4	1.6721	2.5231	2.5615		2.9395	0.9741
H5	2.1604	2.4264	0.9741	2.9395		3.0029
H6	2.1604	2.4264	2.9395	0.9741	3.0029

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	O3	H5	106.454	S1	O4	H6	106.454
O2	S1	O3	105.289	O2	S1	O4	105.289
O3	S1	O4	99.986

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

using model chemistry: CCSD/aug-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: CCSD/aug-cc-pVDZ

States and conformations

Conformer 1 (CS)

Conformer 2 (CS)

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