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	hartrees
Energy at 0K	-622.942440
Energy at 298.15K	-622.944517
HF Energy	-622.051184
Nuclear repulsion energy	184.215159

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁'	1130	1130	0.00
2	A₂"	498	498	55.44
3	E'	1459	1459	248.50
3	E'	1459	1459	248.50
4	E'	534	534	40.95
4	E'	534	534	40.95

Atom	x (Å)	y (Å)
S1	0.000	0.000
O2	0.000	1.422
O3	1.231	-0.711
O4	-1.231	-0.711

	S1	O2	O3	O4
S1		1.4215	1.4215	1.4215
O2	1.4215		2.4621	2.4621
O3	1.4215	2.4621		2.4621
O4	1.4215	2.4621	2.4621

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: MP3=FULL/6-311G**

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: MP3=FULL/6-311G**

States and conformations

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