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	hartrees
Energy at 0K	-188.850135
Energy at 298.15K	-188.847863
HF Energy	-188.324486
Nuclear repulsion energy	76.235463

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	2427	2278	1941.63
2	Σ	2068	1941	36.28
3	Σ	1000	938	0.02
4	Π	601	564	43.34
4	Π	601	564	43.34
5	Π	140	132	2.79
5	Π	140	132	2.79

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.034
C2	0.000	0.000	-0.762
C3	0.000	0.000	0.540
O4	0.000	0.000	1.692

	C1	C2	C3	O4
C1		1.2715	2.5740	3.7256
C2	1.2715		1.3025	2.4541
C3	2.5740	1.3025		1.1516
O4	3.7256	2.4541	1.1516

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

using model chemistry: MP3/6-31G*

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: MP3/6-31G*

States and conformations

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