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	hartrees
Energy at 0K	-623.901647
Energy at 298.15K	-623.905416
HF Energy	-623.181141
Nuclear repulsion energy	190.639505

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A'	3620	3473
2	A'	1267	1215
3	A'	1136	1090
4	A'	772	740
5	A'	474	455
6	A'	450	431
7	A'	310	298
8	A"	3619	3471
9	A"	1144	1098
10	A"	777	746
11	A"	436	418
12	A"	165	158

Atom	x (Å)	y (Å)	z (Å)
S1	0.302	0.349	0.000
O2	-1.047	0.962	0.000
O3	0.302	-0.715	1.275
O4	0.302	-0.715	-1.275
H5	-0.638	-0.929	1.473
H6	-0.638	-0.929	-1.473

	S1	O2	O3	O4	H5	H6
S1		1.4817	1.6607	1.6607	2.1649	2.1649
O2	1.4817		2.5015	2.5015	2.4316	2.4316
O3	1.6607	2.5015		2.5502	0.9841	2.9121
O4	1.6607	2.5015	2.5502		2.9121	0.9841
H5	2.1649	2.4316	0.9841	2.9121		2.9456
H6	2.1649	2.4316	2.9121	0.9841	2.9456

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	O3	H5	107.080	S1	O4	H6	107.080
O2	S1	O3	105.365	O2	S1	O4	105.365
O3	S1	O4	100.314

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

using model chemistry: QCISD(T)/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: QCISD(T)/6-31G*

States and conformations

Conformer 1 (CS)

Conformer 2 (CS)

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