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	hartrees
Energy at 0K	-619.057874
Energy at 298.15K	-619.059468
HF Energy	-618.597419
Nuclear repulsion energy	167.839936

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁'	888	888	0.00
2	A₂"	293	293	38.78
3	E'	1173	1173	84.08
3	E'	1173	1173	84.08
4	E'	414	414	14.80
4	E'	414	414	14.80

Atom	x (Å)	y (Å)
S1	0.000	0.000
O2	0.000	1.560
O3	1.351	-0.780
O4	-1.351	-0.780

	S1	O2	O3	O4
S1		1.5602	1.5602	1.5602
O2	1.5602		2.7023	2.7023
O3	1.5602	2.7023		2.7023
O4	1.5602	2.7023	2.7023

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/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: MP3=FULL/3-21G

States and conformations

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