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	hartrees
Energy at 0K	-620.554262
Energy at 298.15K	-620.558340
HF Energy	-620.121515
Nuclear repulsion energy	193.571701

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3582	3333	46.72
2	A'	1317	1225	185.20
3	A'	1176	1094	5.22
4	A'	862	802	181.55
5	A'	533	496	100.96
6	A'	493	459	140.95
7	A'	332	309	43.06
8	A"	3578	3330	18.09
9	A"	1135	1056	58.39
10	A"	865	805	380.35
11	A"	497	462	121.61
12	A"	216	201	22.48

Atom	x (Å)	y (Å)	z (Å)
S1	0.297	0.347	0.000
O2	-1.033	0.950	0.000
O3	0.297	-0.696	1.248
O4	0.297	-0.696	-1.248
H5	-0.614	-1.007	1.485
H6	-0.614	-1.007	-1.485

	S1	O2	O3	O4	H5	H6
S1		1.4605	1.6257	1.6257	2.2060	2.2060
O2	1.4605		2.4564	2.4564	2.4921	2.4921
O3	1.6257	2.4564		2.4951	0.9911	2.8969
O4	1.6257	2.4564	2.4951		2.8969	0.9911
H5	2.2060	2.4921	0.9911	2.8969		2.9697
H6	2.2060	2.4921	2.8969	0.9911	2.9697

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	O3	H5	112.652	S1	O4	H6	112.652
O2	S1	O3	105.358	O2	S1	O4	105.358
O3	S1	O4	100.237

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

using model chemistry: CID/3-21G*

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: CID/3-21G*

States and conformations

Conformer 1 (CS)

Conformer 2 (CS)

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