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	hartrees
Energy at 0K	-2550.037145
Energy at 298.15K	-2550.036230
HF Energy	-2550.037145
Nuclear repulsion energy	193.425796

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A₁	1045	998	11.14
2	A₁	387	370	24.54
3	B₂	1096	1047	100.28

Atom	y (Å)	z (Å)
Se1	0.000	0.277
O2	1.336	-0.589
O3	-1.336	-0.589

	Se1	O2	O3
Se1		1.5926	1.5926
O2	1.5926		2.6726
O3	1.5926	2.6726

Number	Element	Mulliken
1	Se	0.839
2	O	-0.419
3	O	-0.419

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

using model chemistry: mPW1PW91/6-31G(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>	54.614
(<r²>)^1/2	7.390

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

using model chemistry: mPW1PW91/6-31G(2df,p)

States and conformations

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