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	hartrees
Energy at 0K	-624.695135
Energy at 298.15K	-624.698700
HF Energy	-624.448942
Nuclear repulsion energy	190.424227

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3726	3543	106.51
2	A'	1216	1156	175.14
3	A'	1091	1038	24.50
4	A'	739	703	169.21
5	A'	463	440	18.26
6	A'	408	388	153.95
7	A'	316	301	23.60
8	A"	3723	3541	47.72
9	A"	1067	1014	53.06
10	A"	732	697	387.38
11	A"	421	401	55.50
12	A"	95	90	31.16

Atom	x (Å)	y (Å)	z (Å)
S1	0.299	0.345	0.000
O2	-1.040	0.978	0.000
O3	0.299	-0.717	1.278
O4	0.299	-0.717	-1.278
H5	-0.624	-0.937	1.504
H6	-0.624	-0.937	-1.504

	S1	O2	O3	O4	H5	H6
S1		1.4813	1.6615	1.6615	2.1811	2.1811
O2	1.4813		2.5100	2.5100	2.4703	2.4703
O3	1.6615	2.5100		2.5555	0.9756	2.9391
O4	1.6615	2.5100	2.5555		2.9391	0.9756
H5	2.1811	2.4703	0.9756	2.9391		3.0079
H6	2.1811	2.4703	2.9391	0.9756	3.0079

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	O3	H5	108.800	S1	O4	H6	108.800
O2	S1	O3	105.861	O2	S1	O4	105.861
O3	S1	O4	100.531

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

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

States and conformations

Conformer 1 (CS)

Conformer 2 (CS)

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