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	hartrees
Energy at 0K	-189.041715
Energy at 298.15K	-189.039290
HF Energy	-188.394803
Nuclear repulsion energy	76.635706

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	2372	2270	2109.02
2	Σ	2024	1937	74.08
3	Σ	974	932	0.56
4	Π	605	579	29.18
4	Π	605	579	29.18
5	Π	91	87	4.06
5	Π	91	87	4.06

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.025
C2	0.000	0.000	-0.760
C3	0.000	0.000	0.542
O4	0.000	0.000	1.682

	C1	C2	C3	O4
C1		1.2654	2.5667	3.7074
C2	1.2654		1.3013	2.4421
C3	2.5667	1.3013		1.1407
O4	3.7074	2.4421	1.1407

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

using model chemistry: CCD/aug-cc-pVTZ

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/aug-cc-pVTZ

States and conformations

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