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	hartrees
Energy at 0K	-112.092979
Energy at 298.15K	-112.091722
HF Energy	-111.895990
Nuclear repulsion energy	20.163708

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-0.720
O2	0.000	0.000	0.540

	C1	O2
C1		1.2594
O2	1.2594

All results from a given calculation for CO (Carbon monoxide)

using model chemistry: ROMP2/3-21G

States and conformations

State 1 (¹Σ)

State 2 (³Π)

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All results from a given calculation for CO (Carbon monoxide)

using model chemistry: ROMP2/3-21G

States and conformations

State 1 (1Σ)

State 2 (3Π)

State 1 (¹Σ)

State 2 (³Π)