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	hartrees
Energy at 0K	-619.433211
Energy at 298.15K	-619.435178
HF Energy	-618.904032
Nuclear repulsion energy	179.022806

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)	Raman Act (Å⁴/u)	Dep P	Dep U
1	A₁'	1005	956	0.00	37.44	0.09	0.16
2	A₂"	446	424	27.18	0.00	0.75	0.86
3	E'	1397	1329	104.95	8.96	0.75	0.86
3	E'	1397	1329	104.95	8.96	0.75	0.86
4	E'	510	485	27.43	5.52	0.75	0.86
4	E'	510	485	27.43	5.52	0.75	0.86

Atom	x (Å)	y (Å)
S1	0.000	0.000
O2	0.000	1.463
O3	1.267	-0.731
O4	-1.267	-0.731

	S1	O2	O3	O4
S1		1.4627	1.4627	1.4627
O2	1.4627		2.5335	2.5335
O3	1.4627	2.5335		2.5335
O4	1.4627	2.5335	2.5335

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
O2	S1	O3	120.000		O2	S1	O4	120.000
O3	S1	O4	120.000

All results from a given calculation for SO₃ (Sulfur trioxide)

using model chemistry: MP2/3-21G*

States and conformations

	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 SO3 (Sulfur trioxide)

using model chemistry: MP2/3-21G*

States and conformations

All results from a given calculation for SO₃ (Sulfur trioxide)