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	hartrees
Energy at 0K	-188.347739
Energy at 298.15K	-188.345804
HF Energy	-188.347739
Nuclear repulsion energy	75.759669

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	2341	2259	1150.71
2	Σ	1933	1866	8.12
3	Σ	964	930	2.49
4	Π	743	717	34.25
4	Π	743	717	34.25
5	Π	203	196	3.26
5	Π	203	196	3.26

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.041
C2	0.000	0.000	-0.760
C3	0.000	0.000	0.528
O4	0.000	0.000	1.705

	C1	C2	C3	O4
C1		1.2802	2.5688	3.7452
C2	1.2802		1.2885	2.4649
C3	2.5688	1.2885		1.1764
O4	3.7452	2.4649	1.1764

Number	Element	Mulliken
1	C	0.063
2	C	0.007
3	C	0.308
4	O	-0.378

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

using model chemistry: B3LYP/3-21G

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>	68.254
(<r²>)^1/2	8.262

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

using model chemistry: B3LYP/3-21G

States and conformations

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