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	hartrees
Energy at 0K	-623.932039
Energy at 298.15K	-623.935794
HF Energy	-623.208746
Nuclear repulsion energy	192.735493

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3849	3586	119.88
2	A'	1276	1189	219.01
3	A'	1146	1068	30.80
4	A'	807	752	175.89
5	A'	497	463	26.30
6	A'	437	407	156.62
7	A'	336	313	35.43
8	A"	3847	3584	49.88
9	A"	1121	1044	61.07
10	A"	800	746	381.71
11	A"	448	418	73.01
12	A"	106	99	34.16

Atom	x (Å)	y (Å)	z (Å)
S1	0.298	0.346	0.000
O2	-1.039	0.954	0.000
O3	0.298	-0.707	1.257
O4	0.298	-0.707	-1.257
H5	-0.618	-0.929	1.481
H6	-0.618	-0.929	-1.481

	S1	O2	O3	O4	H5	H6
S1		1.4692	1.6394	1.6394	2.1584	2.1584
O2	1.4692		2.4750	2.4750	2.4324	2.4324
O3	1.6394	2.4750		2.5144	0.9691	2.8963
O4	1.6394	2.4750	2.5144		2.8963	0.9691
H5	2.1584	2.4324	0.9691	2.8963		2.9627
H6	2.1584	2.4324	2.8963	0.9691	2.9627

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	O3	H5	108.949	S1	O4	H6	108.949
O2	S1	O3	105.403	O2	S1	O4	105.403
O3	S1	O4	100.141

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

using model chemistry: MP3=FULL/6-31+G**

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: MP3=FULL/6-31+G**

States and conformations

Conformer 1 (CS)

Conformer 2 (CS)

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