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	hartrees
Energy at 0K	-623.034751
Energy at 298.15K	-623.036870
HF Energy	-622.157038
Nuclear repulsion energy	185.210569

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁'	1132	1068	0.00
2	A₂"	529	499	38.71
3	E'	1461	1378	208.88
3	E'	1461	1378	208.88
4	E'	548	517	29.90
4	E'	548	517	29.90

Atom	x (Å)	y (Å)
S1	0.000	0.000
O2	0.000	1.414
O3	1.224	-0.707
O4	-1.224	-0.707

	S1	O2	O3	O4
S1		1.4139	1.4139	1.4139
O2	1.4139		2.4489	2.4489
O3	1.4139	2.4489		2.4489
O4	1.4139	2.4489	2.4489

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: CCSD/6-311+G(3df,2p)

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: CCSD/6-311+G(3df,2p)

States and conformations

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