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	hartrees
Energy at 0K	-188.973430
Energy at 298.15K	-188.971070
HF Energy	-188.368238
Nuclear repulsion energy	75.764216

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	Σ	2305	2219
2	Σ	1921	1849
3	Σ	937	902
4	Π	595	572
4	Π	595	572
5	Π	118	113
5	Π	118	113

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.049
C2	0.000	0.000	-0.763
C3	0.000	0.000	0.545
O4	0.000	0.000	1.701

	C1	C2	C3	O4
C1		1.2866	2.5941	3.7504
C2	1.2866		1.3075	2.4638
C3	2.5941	1.3075		1.1563
O4	3.7504	2.4638	1.1563

All results from a given calculation for C₃O (Tricarbon monoxide)

using model chemistry: CCSD(T)/6-311G*

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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All results from a given calculation for C3O (Tricarbon monoxide)

using model chemistry: CCSD(T)/6-311G*

States and conformations

All results from a given calculation for C₃O (Tricarbon monoxide)