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	hartrees
Energy at 0K	-189.093219
Energy at 298.15K	-189.090767
HF Energy	-188.391807
Nuclear repulsion energy	75.976226

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	Σ	2288	2219
2	Σ	1922	1864
3	Σ	939	910
4	Π	575	558
4	Π	575	558
5	Π	96	93
5	Π	96	93

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.042
C2	0.000	0.000	-0.762
C3	0.000	0.000	0.542
O4	0.000	0.000	1.697

	C1	C2	C3	O4
C1		1.2800	2.5841	3.7389
C2	1.2800		1.3041	2.4589
C3	2.5841	1.3041		1.1548
O4	3.7389	2.4589	1.1548

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

using model chemistry: CCSD(T)/aug-cc-pVTZ

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)/aug-cc-pVTZ

States and conformations

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