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	hartrees
Energy at 0K	-188.879596
Energy at 298.15K	-188.877451
HF Energy	-188.332295
Nuclear repulsion energy	76.312956

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	2415	2250	2213.70
2	Σ	2067	1925	48.89
3	Σ	995	927	0.11
4	Π	646	602	41.78
4	Π	646	602	41.78
5	Π	162	151	2.58
5	Π	162	151	2.58

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.032
C2	0.000	0.000	-0.763
C3	0.000	0.000	0.541
O4	0.000	0.000	1.690

	C1	C2	C3	O4
C1		1.2688	2.5723	3.7218
C2	1.2688		1.3035	2.4529
C3	2.5723	1.3035		1.1495
O4	3.7218	2.4529	1.1495

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

using model chemistry: MP3=FULL/6-31+G**

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/6-31+G**

States and conformations

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