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	hartrees
Energy at 0K	-2500.896237
Energy at 298.15K
HF Energy	-2500.583739
Nuclear repulsion energy	130.750575

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	Σ	1748	1695
2	Σ	618	600
3	Π	460	446
3	Π	460	446

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-1.044
O2	0.000	0.000	-2.257
Se3	0.000	0.000	0.715

	C1	O2	Se3
C1		1.2131	1.7587
O2	1.2131		2.9718
Se3	1.7587	2.9718

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

using model chemistry: MP4/3-21G

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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