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	hartrees
Energy at 0K	-188.908335
Energy at 298.15K
HF Energy	-188.349674
Nuclear repulsion energy	75.881596

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	2385	2385	2136.71
2	Σ	2029	2029	59.88
3	Σ	975	975	0.06
4	Π	598	598	30.42
4	Π	598	598	30.42
5	Π	78i	78i	2.96
5	Π	78i	78i	2.96

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.049
C2	0.000	0.000	-0.766
C3	0.000	0.000	0.551
O4	0.000	0.000	1.698

	C1	C2	C3	O4
C1		1.2825	2.5992	3.7464
C2	1.2825		1.3167	2.4639
C3	2.5992	1.3167		1.1472
O4	3.7464	2.4639	1.1472

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

using model chemistry: MP3=FULL/aug-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: MP3=FULL/aug-cc-pVDZ

States and conformations

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