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	hartrees
Energy at 0K	-2539.609845
Energy at 298.15K	-2539.608826
HF Energy	-2539.609845
Nuclear repulsion energy	184.082316

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	893	865	0.19
2	A₁	339	328	23.46
3	B₂	958	928	22.82

Atom	y (Å)	z (Å)
Se1	0.000	0.296
O2	1.396	-0.629
O3	-1.396	-0.629

	Se1	O2	O3
Se1		1.6742	1.6742
O2	1.6742		2.7911
O3	1.6742	2.7911

Number	Element	Mulliken
1	Se	1.083
2	O	-0.541
3	O	-0.541

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

using model chemistry: TPSSh/3-21G

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>	58.714
(<r²>)^1/2	7.662

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

using model chemistry: TPSSh/3-21G

States and conformations

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