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	hartrees
Energy at 0K	-188.853250
Energy at 298.15K	-188.850989
HF Energy	-188.323937
Nuclear repulsion energy	76.082948

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	2395	2246	1885.05
2	Σ	2036	1909	35.14
3	Σ	988	927	0.22
4	Π	602	565	42.97
4	Π	602	565	42.97
5	Π	142	133	2.49
5	Π	142	133	2.49

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.037
C2	0.000	0.000	-0.763
C3	0.000	0.000	0.540
O4	0.000	0.000	1.695

	C1	C2	C3	O4
C1		1.2737	2.5774	3.7326
C2	1.2737		1.3037	2.4589
C3	2.5774	1.3037		1.1552
O4	3.7326	2.4589	1.1552

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

using model chemistry: CCD/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: CCD/6-31G**

States and conformations

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