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	hartrees
Energy at 0K	-522.258001
Energy at 298.15K
HF Energy	-521.552786
Nuclear repulsion energy	140.251849

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	1021	974	10.44
2	A₁	389	371	27.34
3	B₂	1069	1020	98.98

Atom	y (Å)	z (Å)
Se1	0.000	0.276
O2	1.338	-0.587
O3	-1.338	-0.587

	Se1	O2	O3
Se1		1.5925	1.5925
O2	1.5925		2.6767
O3	1.5925	2.6767

All results from a given calculation for SeO₂ (Selenium dioxide)

using model chemistry: CCSD/cc-pVTZ-PP

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 SeO2 (Selenium dioxide)

using model chemistry: CCSD/cc-pVTZ-PP

States and conformations

All results from a given calculation for SeO₂ (Selenium dioxide)