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	hartrees
Energy at 0K	-622.808127
Energy at 298.15K	-622.810016
HF Energy	-622.012905
Nuclear repulsion energy	176.830063

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁'	953	932
2	A₂"	449	439
3	E'	1264	1236
3	E'	1264	1236
4	E'	471	460
4	E'	464	454

Atom	x (Å)	y (Å)
S1	0.000	0.000
O2	0.000	1.481
O3	1.282	-0.740
O4	-1.282	-0.740

	S1	O2	O3	O4
S1		1.4807	1.4807	1.4807
O2	1.4807		2.5647	2.5647
O3	1.4807	2.5647		2.5647
O4	1.4807	2.5647	2.5647

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: QCISD(T)/aug-cc-pVDZ

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: QCISD(T)/aug-cc-pVDZ

States and conformations

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