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	hartrees
Energy at 0K	-623.083228
Energy at 298.15K
HF Energy	-622.166798
Nuclear repulsion energy	182.617519

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A₁'	1057	1057
2	A₂"	495	495
3	E'	1410	1410
3	E'	1410	1410
4	E'	518	518
4	E'	518	518

Atom	x (Å)	y (Å)
S1	0.000	0.000
O2	0.000	1.434
O3	1.242	-0.717
O4	-1.242	-0.717

	S1	O2	O3	O4
S1		1.4338	1.4338	1.4338
O2	1.4338		2.4834	2.4834
O3	1.4338	2.4834		2.4834
O4	1.4338	2.4834	2.4834

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: ROMP2/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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Number	Element	Mulliken
1	S	1.675
2	O	-0.558
3	O	-0.558
4	O	-0.558

<r²>	67.865
(<r²>)^1/2	8.238

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

using model chemistry: ROMP2/aug-cc-pV(T+d)Z

States and conformations

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