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	hartrees
Energy at 0K	-624.400423
Energy at 298.15K	-624.403504
HF Energy	-624.223222
Nuclear repulsion energy	175.126203

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3500	3500	33.56
2	A'	1133	1133	28.18
3	A'	939	939	56.22
4	A'	603	603	111.29
5	A'	397	397	137.32
6	A'	319	319	95.93
7	A'	211	211	3.84
8	A"	3497	3497	47.04
9	A"	1079	1079	46.58
10	A"	608	608	235.34
11	A"	333	333	87.01
12	A"	131	131	20.88

Atom	x (Å)	y (Å)	z (Å)
S1	0.327	0.382	0.000
O2	-1.155	1.033	0.000
O3	0.327	-0.775	1.401
O4	0.327	-0.775	-1.401
H5	-0.612	-0.992	1.634
H6	-0.612	-0.992	-1.634

	S1	O2	O3	O4	H5	H6
S1		1.6190	1.8170	1.8170	2.3325	2.3325
O2	1.6190		2.7257	2.7257	2.6584	2.6584
O3	1.8170	2.7257		2.8028	0.9920	3.1846
O4	1.8170	2.7257	2.8028		3.1846	0.9920
H5	2.3325	2.6584	0.9920	3.1846		3.2674
H6	2.3325	2.6584	3.1846	0.9920	3.2674

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	O3	H5	108.684	S1	O4	H6	108.684
O2	S1	O3	104.836	O2	S1	O4	104.836
O3	S1	O4	100.933

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

using model chemistry: B2PLYP=FULL/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: B2PLYP=FULL/6-31G

States and conformations

Conformer 1 (CS)

Conformer 2 (CS)

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