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	hartrees
Energy at 0K	-188.890536
Energy at 298.15K	-188.888212
HF Energy	-188.321901
Nuclear repulsion energy	75.622337

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	Σ	2359	2359
2	Σ	1976	1976
3	Σ	963	963
4	Π	579	579
4	Π	579	579
5	Π	135	135
5	Π	135	135

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.050
C2	0.000	0.000	-0.766
C3	0.000	0.000	0.541
O4	0.000	0.000	1.705

	C1	C2	C3	O4
C1		1.2840	2.5911	3.7551
C2	1.2840		1.3071	2.4711
C3	2.5911	1.3071		1.1640
O4	3.7551	2.4711	1.1640

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

using model chemistry: QCISD(TQ)/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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All results from a given calculation for C3O (Tricarbon monoxide)

using model chemistry: QCISD(TQ)/6-31G*

States and conformations

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