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	hartrees
Energy at 0K	-188.402392
Energy at 298.15K	-188.400108
HF Energy	-188.402392
Nuclear repulsion energy	77.701024

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	2467	2236	2730.14
2	Σ	2149	1948	273.60
3	Σ	1029	933	1.66
4	Π	681	617	59.39
4	Π	681	617	59.39
5	Π	107	97	1.19
5	Π	107	97	1.19

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-1.997
C2	0.000	0.000	-0.748
C3	0.000	0.000	0.536
O4	0.000	0.000	1.657

	C1	C2	C3	O4
C1		1.2483	2.5329	3.6533
C2	1.2483		1.2847	2.4051
C3	2.5329	1.2847		1.1204
O4	3.6533	2.4051	1.1204

Number	Element	Mulliken
1	C	-0.042
2	C	-0.153
3	C	0.370
4	O	-0.176

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

using model chemistry: HF/Def2TZVPP

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>	66.426
(<r²>)^1/2	8.150

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

using model chemistry: HF/Def2TZVPP

States and conformations

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