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	hartrees
Energy at 0K	-623.203781
Energy at 298.15K
HF Energy	-622.175353
Nuclear repulsion energy	186.092316

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁'	1166	1166	0.00
2	A₂"	533	533	39.94
3	E'	1496	1496	230.67
3	E'	1496	1496	230.67
4	E'	555	555	31.97
4	E'	555	555	31.97

Atom	x (Å)	y (Å)
S1	0.000	0.000
O2	0.000	1.407
O3	1.219	-0.704
O4	-1.219	-0.704

	S1	O2	O3	O4
S1		1.4072	1.4072	1.4072
O2	1.4072		2.4373	2.4373
O3	1.4072	2.4373		2.4373
O4	1.4072	2.4373	2.4373

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/aug-cc-pV(T+d)Z

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/aug-cc-pV(T+d)Z

States and conformations

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