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	hartrees
Energy at 0K	-624.018779
Energy at 298.15K	-624.022373
HF Energy	-623.248654
Nuclear repulsion energy	188.228530

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3678	3527	102.42
2	A'	1224	1174	151.57
3	A'	1097	1052	35.16
4	A'	729	699	154.34
5	A'	448	430	13.59
6	A'	389	373	130.67
7	A'	314	302	9.79
8	A"	3676	3525	54.99
9	A"	1098	1053	54.53
10	A"	717	688	342.59
11	A"	408	391	36.85
12	A"	129	124	19.45

Atom	x (Å)	y (Å)	z (Å)
S1	0.304	0.351	0.000
O2	-1.056	0.985	0.000
O3	0.304	-0.732	1.292
O4	0.304	-0.732	-1.292
H5	-0.638	-0.894	1.504
H6	-0.638	-0.894	-1.504

	S1	O2	O3	O4	H5	H6
S1		1.4998	1.6860	1.6860	2.1677	2.1677
O2	1.4998		2.5425	2.5425	2.4425	2.4425
O3	1.6860	2.5425		2.5842	0.9790	2.9547
O4	1.6860	2.5425	2.5842		2.9547	0.9790
H5	2.1677	2.4425	0.9790	2.9547		3.0074
H6	2.1677	2.4425	2.9547	0.9790	3.0074

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	O3	H5	105.790	S1	O4	H6	105.790
O2	S1	O3	105.749	O2	S1	O4	105.749
O3	S1	O4	100.060

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

using model chemistry: MP2/aug-cc-pVDZ

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/aug-cc-pVDZ

States and conformations

Conformer 1 (CS)

Conformer 2 (CS)

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