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	hartrees
Energy at 0K	-189.256815
Energy at 298.15K
HF Energy	-189.059906
Nuclear repulsion energy	75.594304

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	2304	2217	1418.26
2	Σ	1920	1848	16.60
3	Σ	946	911	1.93
4	Π	570	549	20.61
4	Π	570	549	20.61
5	Π	106	102	6.09
5	Π	106	102	6.09

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.052
C2	0.000	0.000	-0.765
C3	0.000	0.000	0.543
O4	0.000	0.000	1.706

	C1	C2	C3	O4
C1		1.2875	2.5956	3.7579
C2	1.2875		1.3081	2.4704
C3	2.5956	1.3081		1.1623
O4	3.7579	2.4704	1.1623

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

using model chemistry: B2PLYP=FULLultrafine/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: B2PLYP=FULLultrafine/aug-cc-pVDZ

States and conformations

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