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	hartrees
Energy at 0K	-186.837831
Energy at 298.15K	-186.835539
HF Energy	-186.837831
Nuclear repulsion energy	74.125649

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	2386	2112	746.07
2	Σ	1965	1739	176.43
3	Σ	972	860	0.22
4	Π	581	514	17.70
4	Π	581	514	17.70
5	Π	190	168	3.18
5	Π	190	168	3.18

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.080
C2	0.000	0.000	-0.779
C3	0.000	0.000	0.533
O4	0.000	0.000	1.745

	C1	C2	C3	O4
C1		1.3008	2.6127	3.8245
C2	1.3008		1.3119	2.5237
C3	2.6127	1.3119		1.2118
O4	3.8245	2.5237	1.2118

Number	Element	Mulliken
1	C	0.024
2	C	-0.176
3	C	0.224
4	O	-0.072

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

using model chemistry: B3PW91/STO-3G

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>	68.851
(<r²>)^1/2	8.298

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

using model chemistry: B3PW91/STO-3G

States and conformations

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