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	hartrees
Energy at 0K	-2624.947530
Energy at 298.15K	-2624.947347
HF Energy	-2624.215346
Nuclear repulsion energy	308.810791

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁'	952	909	0.00
2	A₂"	297	284	31.47
3	E'	1071	1023	93.32
3	E'	1071	1023	93.32
4	E'	366	349	34.11
4	E'	366	349	34.11

Atom	x (Å)	y (Å)
Se1	0.000	0.000
O2	0.000	1.588
O3	1.375	-0.794
O4	-1.375	-0.794

	Se1	O2	O3	O4
Se1		1.5882	1.5882	1.5882
O2	1.5882		2.7509	2.7509
O3	1.5882	2.7509		2.7509
O4	1.5882	2.7509	2.7509

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
O2	Se1	O3	120.000		O2	Se1	O4	120.000
O3	Se1	O4	120.000

All results from a given calculation for SeO₃ (selenium trioxide)

using model chemistry: CCD/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 SeO3 (selenium trioxide)

using model chemistry: CCD/6-311G**

States and conformations

All results from a given calculation for SeO₃ (selenium trioxide)