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	hartrees
Energy at 0K	-2512.650128
Energy at 298.15K
HF Energy	-2512.650128
Nuclear repulsion energy	135.596780

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	2129	2037	659.06
2	Σ	701	671	4.11
3	Π	501	479	1.98
3	Π	501	479	2.02

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-1.011
O2	0.000	0.000	-2.173
Se3	0.000	0.000	0.690

	C1	O2	Se3
C1		1.1622	1.7009
O2	1.1622		2.8631
Se3	1.7009	2.8631

Number	Element	Mulliken
1	C	0.409
2	O	-0.307
3	Se	-0.102

All results from a given calculation for OCSe (Carbonyl selenide)

using model chemistry: B3PW91/6-31G*

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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	x	y	z
x	2.930	-0.000	-0.002
y	-0.000	2.931	-0.001
z	-0.002	-0.001	7.732

<r²>	77.978
(<r²>)^1/2	8.831