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	hartrees
Energy at 0K	-624.695890
Energy at 298.15K	-624.699625
HF Energy	-624.453455
Nuclear repulsion energy	189.310502

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3680	3528	92.57
2	A'	1221	1170	114.87
3	A'	1096	1051	28.35
4	A'	743	712	139.22
5	A'	458	439	24.76
6	A'	425	407	133.47
7	A'	313	300	13.08
8	A"	3678	3525	32.12
9	A"	1087	1042	50.38
10	A"	742	711	310.92
11	A"	426	408	57.20
12	A"	177	170	16.91

Atom	x (Å)	y (Å)	z (Å)
S1	0.304	0.352	0.000
O2	-1.055	0.968	0.000
O3	0.304	-0.723	1.287
O4	0.304	-0.723	-1.287
H5	-0.640	-0.901	1.470
H6	-0.640	-0.901	-1.470

	S1	O2	O3	O4	H5	H6
S1		1.4920	1.6769	1.6769	2.1502	2.1502
O2	1.4920		2.5224	2.5224	2.4138	2.4138
O3	1.6769	2.5224		2.5743	0.9782	2.9202
O4	1.6769	2.5224	2.5743		2.9202	0.9782
H5	2.1502	2.4138	0.9782	2.9202		2.9408
H6	2.1502	2.4138	2.9202	0.9782	2.9408

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	O3	H5	105.090	S1	O4	H6	105.090
O2	S1	O3	105.348	O2	S1	O4	105.348
O3	S1	O4	100.271

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

using model chemistry: B2PLYP=FULL/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: B2PLYP=FULL/cc-pVDZ

States and conformations

Conformer 1 (CS)

Conformer 2 (CS)

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