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	hartrees
Energy at 0K	-58.829637
Energy at 298.15K	-58.833273
HF Energy	-58.120444
Nuclear repulsion energy	72.337606

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3649	3477	90.81
2	A'	1253	1194	176.89
3	A'	1125	1072	32.33
4	A'	747	711	177.57
5	A'	465	443	29.62
6	A'	424	404	158.90
7	A'	316	301	14.42
8	A"	3647	3475	43.70
9	A"	1107	1054	81.77
10	A"	737	702	380.03
11	A"	424	404	56.43
12	A"	116	110	29.82

Atom	x (Å)	y (Å)	z (Å)
S1	0.303	0.349	0.000
O2	-1.050	0.974	0.000
O3	0.303	-0.721	1.288
O4	0.303	-0.721	-1.288
H5	-0.639	-0.917	1.495
H6	-0.639	-0.917	-1.495

	S1	O2	O3	O4	H5	H6
S1		1.4903	1.6746	1.6746	2.1743	2.1743
O2	1.4903		2.5225	2.5225	2.4459	2.4459
O3	1.6746	2.5225		2.5758	0.9843	2.9450
O4	1.6746	2.5225	2.5758		2.9450	0.9843
H5	2.1743	2.4459	0.9843	2.9450		2.9909
H6	2.1743	2.4459	2.9450	0.9843	2.9909

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	O3	H5	106.828	S1	O4	H6	106.828
O2	S1	O3	105.546	O2	S1	O4	105.546
O3	S1	O4	100.546

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

using model chemistry: MP2/CEP-121G*

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: MP2/CEP-121G*

States and conformations

Conformer 1 (CS)

Conformer 2 (CS)

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