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	hartrees
Energy at 0K	-32.698379
Energy at 298.15K	-32.696452
HF Energy	-32.698379
Nuclear repulsion energy	34.847234

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	2258	2187	1464.16
2	Σ	1858	1800	0.77
3	Σ	924	895	8.39
4	Π	590	571	34.67
4	Π	590	571	34.67
5	Π	267	259	6.81
5	Π	267	259	6.81

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.106
C2	0.000	0.000	-0.780
C3	0.000	0.000	0.553
O4	0.000	0.000	1.750

	C1	C2	C3	O4
C1		1.3259	2.6592	3.8558
C2	1.3259		1.3333	2.5300
C3	2.6592	1.3333		1.1966
O4	3.8558	2.5300	1.1966

Number	Element	Mulliken
1	C	-0.019
2	C	0.561
3	C	-0.682
4	O	0.140

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

using model chemistry: B3LYP/CEP-31G

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>	55.208
(<r²>)^1/2	7.430

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

using model chemistry: B3LYP/CEP-31G

States and conformations

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