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	hartrees
Energy at 0K	-620.606353
Energy at 298.15K	-620.610243
HF Energy	-620.116854
Nuclear repulsion energy	190.916713

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3412	3246	22.65
2	A'	1288	1225	143.61
3	A'	1141	1085	1.89
4	A'	784	746	177.58
5	A'	515	490	95.11
6	A'	453	431	113.31
7	A'	302	287	33.02
8	A"	3413	3246	12.90
9	A"	1094	1041	50.78
10	A"	789	751	363.08
11	A"	474	451	94.13
12	A"	196	186	16.75

Atom	x (Å)	y (Å)	z (Å)
S1	0.298	0.347	0.000
O2	-1.033	0.980	0.000
O3	0.298	-0.709	1.270
O4	0.298	-0.709	-1.270
H5	-0.634	-1.018	1.481
H6	-0.634	-1.018	-1.481

	S1	O2	O3	O4	H5	H6
S1		1.4737	1.6522	1.6522	2.2185	2.2185
O2	1.4737		2.4976	2.4976	2.5179	2.5179
O3	1.6522	2.4976		2.5408	1.0037	2.9207
O4	1.6522	2.4976	2.5408		2.9207	1.0037
H5	2.2185	2.5179	1.0037	2.9207		2.9610
H6	2.2185	2.5179	2.9207	1.0037	2.9610

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	O3	H5	110.929	S1	O4	H6	110.929
O2	S1	O3	105.934	O2	S1	O4	105.934
O3	S1	O4	100.516

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

using model chemistry: MP2/3-21G*

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: MP2/3-21G*

States and conformations

Conformer 1 (CS)

Conformer 2 (CS)

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