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	hartrees
Energy at 0K	-189.077716
Energy at 298.15K	-189.075386
HF Energy	-188.391002
Nuclear repulsion energy	76.151528

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	Σ	2339	2339
2	Σ	1965	1965
3	Σ	952	952
4	Π	590	590
4	Π	590	590
5	Π	125	125
5	Π	125	125

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.038
C2	0.000	0.000	-0.761
C3	0.000	0.000	0.542
O4	0.000	0.000	1.693

	C1	C2	C3	O4
C1		1.2763	2.5800	3.7306
C2	1.2763		1.3037	2.4543
C3	2.5800	1.3037		1.1505
O4	3.7306	2.4543	1.1505

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

using model chemistry: QCISD(TQ)/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: QCISD(TQ)/cc-pVTZ

States and conformations

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