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	hartrees
Energy at 0K	-621.513803
Energy at 298.15K	-621.517640
HF Energy	-621.337801
Nuclear repulsion energy	190.638454

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3392	3392	20.13
2	A'	1239	1239	121.35
3	A'	1113	1113	5.21
4	A'	765	765	153.25
5	A'	507	507	99.50
6	A'	436	436	105.10
7	A'	294	294	26.08
8	A"	3391	3391	9.89
9	A"	1078	1078	47.38
10	A"	778	778	342.99
11	A"	466	466	94.66
12	A"	198	198	12.91

Atom	x (Å)	y (Å)	z (Å)
S1	0.300	0.346	0.000
O2	-1.042	0.966	0.000
O3	0.300	-0.705	1.277
O4	0.300	-0.705	-1.277
H5	-0.635	-0.998	1.496
H6	-0.635	-0.998	-1.496

	S1	O2	O3	O4	H5	H6
S1		1.4790	1.6536	1.6536	2.2181	2.2181
O2	1.4790		2.4951	2.4951	2.5029	2.5029
O3	1.6536	2.4951		2.5531	1.0042	2.9404
O4	1.6536	2.4951	2.5531		2.9404	1.0042
H5	2.2181	2.5029	1.0042	2.9404		2.9914
H6	2.2181	2.5029	2.9404	1.0042	2.9914

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	O3	H5	110.756	S1	O4	H6	110.756
O2	S1	O3	105.458	O2	S1	O4	105.458
O3	S1	O4	101.067

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

using model chemistry: B2PLYP=FULL/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: B2PLYP=FULL/3-21G*

States and conformations

Conformer 1 (CS)

Conformer 2 (CS)

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