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	hartrees
Energy at 0K	-624.033608
Energy at 298.15K	-624.037465
HF Energy	-623.273054
Nuclear repulsion energy	193.052118

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3809	3634	103.11
2	A'	1251	1193	148.02
3	A'	1127	1075	27.93
4	A'	785	749	166.51
5	A'	488	466	24.39
6	A'	455	434	155.02
7	A'	328	313	29.74
8	A"	3806	3632	32.59
9	A"	1105	1054	65.81
10	A"	782	746	339.75
11	A"	447	426	72.16
12	A"	173	165	28.00

Atom	x (Å)	y (Å)	z (Å)
S1	0.298	0.347	0.000
O2	-1.036	0.952	0.000
O3	0.298	-0.706	1.257
O4	0.298	-0.706	-1.257
H5	-0.622	-0.936	1.446
H6	-0.622	-0.936	-1.446

	S1	O2	O3	O4	H5	H6
S1		1.4646	1.6398	1.6398	2.1409	2.1409
O2	1.4646		2.4715	2.4715	2.4137	2.4137
O3	1.6398	2.4715		2.5136	0.9669	2.8645
O4	1.6398	2.4715	2.5136		2.8645	0.9669
H5	2.1409	2.4137	0.9669	2.8645		2.8924
H6	2.1409	2.4137	2.8645	0.9669	2.8924

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	O3	H5	107.613	S1	O4	H6	107.613
O2	S1	O3	105.383	O2	S1	O4	105.383
O3	S1	O4	100.068

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

using model chemistry: QCISD/6-311G**

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/6-311G**

States and conformations

Conformer 1 (CS)

Conformer 2 (CS)

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