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	hartrees
Energy at 0K	-2622.688137
Energy at 298.15K	-2622.687953
HF Energy	-2621.996352
Nuclear repulsion energy	306.888056

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁'	979	923	0.00
2	A₂"	299	282	31.53
3	E'	1097	1034	108.95
3	E'	1097	1034	108.95
4	E'	362	341	32.98
4	E'	361	341	32.98

Atom	x (Å)	y (Å)
Se1	0.000	0.000
O2	0.000	1.598
O3	1.384	-0.799
O4	-1.384	-0.799

	Se1	O2	O3	O4
Se1		1.5982	1.5982	1.5982
O2	1.5982		2.7682	2.7682
O3	1.5982	2.7682		2.7682
O4	1.5982	2.7682	2.7682

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/6-31+G**

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/6-31+G**

States and conformations

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