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	hartrees
Energy at 0K	-623.935664
Energy at 298.15K	-623.939443
HF Energy	-623.211374
Nuclear repulsion energy	189.937941

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3714	3530	101.10
2	A'	1263	1200	145.27
3	A'	1119	1063	15.44
4	A'	759	721	161.69
5	A'	471	447	25.76
6	A'	434	413	135.50
7	A'	319	303	16.21
8	A"	3712	3528	34.72
9	A"	1089	1035	52.00
10	A"	753	715	333.54
11	A"	435	413	57.40
12	A"	173	164	17.58

Atom	x (Å)	y (Å)	z (Å)
S1	0.302	0.352	0.000
O2	-1.048	0.971	0.000
O3	0.302	-0.724	1.281
O4	0.302	-0.724	-1.281
H5	-0.645	-0.905	1.448
H6	-0.645	-0.905	-1.448

	S1	O2	O3	O4	H5	H6
S1		1.4852	1.6725	1.6725	2.1384	2.1384
O2	1.4852		2.5169	2.5169	2.4039	2.4039
O3	1.6725	2.5169		2.5621	0.9783	2.8946
O4	1.6725	2.5169	2.5621		2.8946	0.9783
H5	2.1384	2.4039	0.9783	2.8946		2.8968
H6	2.1384	2.4039	2.8946	0.9783	2.8968

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
S1	O3	H5	104.481	S1	O4	H6	104.481
O2	S1	O3	105.549	O2	S1	O4	105.549
O3	S1	O4	99.982

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

using model chemistry: MP2=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: MP2=FULL/cc-pVDZ

States and conformations

Conformer 1 (CS)

Conformer 2 (CS)

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