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	hartrees
Energy at 0K	-189.049860
Energy at 298.15K	-189.047408
HF Energy	-188.394247
Nuclear repulsion energy	76.492221

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	2343	2239	1995.57
2	Σ	1998	1910	65.70
3	Σ	966	923	0.20
4	Π	601	574	28.96
4	Π	601	574	28.96
5	Π	85	82	4.07
5	Π	85	82	4.07

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.029
C2	0.000	0.000	-0.760
C3	0.000	0.000	0.541
O4	0.000	0.000	1.686

	C1	C2	C3	O4
C1		1.2686	2.5700	3.7142
C2	1.2686		1.3015	2.4456
C3	2.5700	1.3015		1.1442
O4	3.7142	2.4456	1.1442

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

using model chemistry: CCSD/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/aug-cc-pVTZ

States and conformations

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