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	hartrees
Energy at 0K	-188.928831
Energy at 298.15K	-188.926514
HF Energy	-188.371446
Nuclear repulsion energy	76.426966

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	2393	2285	1935.16
2	Σ	2025	1934	70.63
3	Σ	973	929	0.68
4	Π	622	594	43.25
4	Π	622	594	43.25
5	Π	117	112	1.48
5	Π	117	112	1.48

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.032
C2	0.000	0.000	-0.761
C3	0.000	0.000	0.544
O4	0.000	0.000	1.686

	C1	C2	C3	O4
C1		1.2715	2.5762	3.7185
C2	1.2715		1.3047	2.4470
C3	2.5762	1.3047		1.1423
O4	3.7185	2.4470	1.1423

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

using model chemistry: CCD/6-311G**

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: CCD/6-311G**

States and conformations

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