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	hartrees
Energy at 0K	-188.891066
Energy at 298.15K	-188.888829
HF Energy	-188.341391
Nuclear repulsion energy	75.644554

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	2346	2346	1755.02
2	Σ	1990	1990	43.99
3	Σ	966	966	0.02
4	Π	609	609	37.55
4	Π	609	609	37.55
5	Π	146	146	2.47
5	Π	146	146	2.47

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.054
C2	0.000	0.000	-0.767
C3	0.000	0.000	0.550
O4	0.000	0.000	1.703

	C1	C2	C3	O4
C1		1.2871	2.6035	3.7574
C2	1.2871		1.3164	2.4703
C3	2.6035	1.3164		1.1539
O4	3.7574	2.4703	1.1539

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

using model chemistry: CCSD=FULL/cc-pVDZ

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=FULL/cc-pVDZ

States and conformations

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