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	hartrees
Energy at 0K	-189.409147
Energy at 298.15K	-189.406917
HF Energy	-189.409147
Nuclear repulsion energy	76.366416

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	2359	2276	1381.75
2	Σ	1978	1908	35.96
3	Σ	970	936	1.78
4	Π	612	591	25.68
4	Π	612	591	25.68
5	Π	148	142	6.13
5	Π	148	142	6.13

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.030
C2	0.000	0.000	-0.758
C3	0.000	0.000	0.536
O4	0.000	0.000	1.689

	C1	C2	C3	O4
C1		1.2719	2.5665	3.7189
C2	1.2719		1.2945	2.4470
C3	2.5665	1.2945		1.1525
O4	3.7189	2.4470	1.1525

Number	Element	Mulliken
1	C	-0.214
2	C	-0.109
3	C	0.485
4	O	-0.162

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

using model chemistry: B3LYP/6-31G(2df,p)

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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<r²>	67.422
(<r²>)^1/2	8.211

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

using model chemistry: B3LYP/6-31G(2df,p)

States and conformations

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