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	hartrees
Energy at 0K	-2539.511520
Energy at 298.15K	-2539.510545
HF Energy	-2539.511520
Nuclear repulsion energy	187.784509

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	984	945	5.52
2	A₁	348	334	25.34
3	B₂	1054	1012	47.63

Atom	y (Å)	z (Å)
Se1	0.000	0.283
O2	1.381	-0.602
O3	-1.381	-0.602

	Se1	O2	O3
Se1		1.6401	1.6401
O2	1.6401		2.7612
O3	1.6401	2.7612

Number	Element	Mulliken
1	Se	0.785
2	O	-0.392
3	O	-0.392

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

using model chemistry: PBE1PBE/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>	56.830
(<r²>)^1/2	7.539

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

using model chemistry: PBE1PBE/3-21G*

States and conformations

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