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	hartrees
Energy at 0K	-623.445103
Energy at 298.15K	-623.448173
HF Energy	-622.952823
Nuclear repulsion energy	174.287099

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3493	3366	35.16
2	A'	1154	1112	9.50
3	A'	845	814	31.75
4	A'	599	577	77.84
5	A'	395	381	155.16
6	A'	317	305	92.25
7	A'	216	208	7.06
8	A"	3491	3363	47.70
9	A"	1114	1073	41.01
10	A"	630	607	161.75
11	A"	330	318	109.38
12	A"	129	125	19.11

Atom	x (Å)	y (Å)	z (Å)
S1	0.337	0.387	0.000
O2	-1.197	1.007	0.000
O3	0.337	-0.769	1.400
O4	0.337	-0.769	-1.400
H5	-0.605	-0.970	1.641
H6	-0.605	-0.970	-1.641

	S1	O2	O3	O4	H5	H6
S1		1.6546	1.8150	1.8150	2.3284	2.3284
O2	1.6546		2.7325	2.7325	2.6368	2.6368
O3	1.8150	2.7325		2.7992	0.9931	3.1895
O4	1.8150	2.7325	2.7992		3.1895	0.9931
H5	2.3284	2.6368	0.9931	3.1895		3.2820
H6	2.3284	2.6368	3.1895	0.9931	3.2820

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	O3	H5	108.446	S1	O4	H6	108.446
O2	S1	O3	103.814	O2	S1	O4	103.814
O3	S1	O4	100.906

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

using model chemistry: QCISD/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: QCISD/6-31G

States and conformations

Conformer 1 (CS)

Conformer 2 (CS)

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