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	hartrees
Energy at 0K	-2510.732948
Energy at 298.15K	-2510.731016
HF Energy	-2510.313228
Nuclear repulsion energy	134.841446

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	2061	1943	546.14
2	Σ	707	667	4.50
3	Π	494	466	1.18
3	Π	494	466	1.18

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-1.016
O2	0.000	0.000	-2.183
Se3	0.000	0.000	0.693

	C1	O2	Se3
C1		1.1668	1.7089
O2	1.1668		2.8758
Se3	1.7089	2.8758

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

using model chemistry: MP2/6-31G*

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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