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	hartrees
Energy at 0K	-2624.985250
Energy at 298.15K	-2624.985053
HF Energy	-2624.224330
Nuclear repulsion energy	305.647758

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁'	945	912	0.00
2	A₂"	293	283	30.27
3	E'	1065	1027	98.57
3	E'	1065	1027	98.57
4	E'	361	348	27.93
4	E'	361	348	27.93

Atom	x (Å)	y (Å)
Se1	0.000	0.000
O2	0.000	1.605
O3	1.390	-0.802
O4	-1.390	-0.802

	Se1	O2	O3	O4
Se1		1.6047	1.6047	1.6047
O2	1.6047		2.7794	2.7794
O3	1.6047	2.7794		2.7794
O4	1.6047	2.7794	2.7794

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/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 SeO3 (selenium trioxide)

using model chemistry: CCD/aug-cc-pVDZ

States and conformations

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