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	hartrees
Energy at 0K	-2549.422159
Energy at 298.15K	-2549.421179
HF Energy	-2549.422159
Nuclear repulsion energy	189.870999

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	951	941	7.24
2	A₁	356	352	17.90
3	B₂	1000	990	77.95

Atom	y (Å)	z (Å)
Se1	0.000	0.282
O2	1.363	-0.599
O3	-1.363	-0.599

	Se1	O2	O3
Se1		1.6223	1.6223
O2	1.6223		2.7256
O3	1.6223	2.7256

Number	Element	Mulliken
1	Se	0.702
2	O	-0.351
3	O	-0.351

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

using model chemistry: PBEPBE/6-31G(2df,p)

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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<r²>	55.999
(<r²>)^1/2	7.483

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

using model chemistry: PBEPBE/6-31G(2df,p)

States and conformations

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