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	hartrees
Energy at 0K	-624.379145
Energy at 298.15K	-624.382979
HF Energy	-623.350133
Nuclear repulsion energy	193.860732

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A'	3752	3590
2	A'	1259	1205
3	A'	1126	1077
4	A'	794	760
5	A'	490	469
6	A'	434	416
7	A'	340	325
8	A"	3750	3588
9	A"	1106	1059
10	A"	795	761
11	A"	454	435
12	A"	148	142

Atom	x (Å)	y (Å)	z (Å)
S1	0.299	0.342	0.000
O2	-1.037	0.942	0.000
O3	0.299	-0.703	1.252
O4	0.299	-0.703	-1.252
H5	-0.633	-0.884	1.450
H6	-0.633	-0.884	-1.450

	S1	O2	O3	O4	H5	H6
S1		1.4642	1.6304	1.6304	2.1151	2.1151
O2	1.4642		2.4608	2.4608	2.3668	2.3668
O3	1.6304	2.4608		2.5035	0.9694	2.8636
O4	1.6304	2.4608	2.5035		2.8636	0.9694
H5	2.1151	2.3668	0.9694	2.8636		2.9001
H6	2.1151	2.3668	2.8636	0.9694	2.9001

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	O3	H5	106.086	S1	O4	H6	106.086
O2	S1	O3	105.224	O2	S1	O4	105.224
O3	S1	O4	100.308

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

using model chemistry: QCISD(T)=FULL/cc-pVTZ

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)=FULL/cc-pVTZ

States and conformations

Conformer 1 (CS)

Conformer 2 (CS)

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