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	hartrees
Energy at 0K	-186.847290
Energy at 298.15K	-186.845009
HF Energy	-186.847290
Nuclear repulsion energy

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	2417	2417	911.68
2	Σ	2007	2007	191.05
3	Σ	987	987	0.01
4	Π	584	584	22.71
4	Π	584	584	22.71
5	Π	191	191	2.76
5	Π	191	191	2.76

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.071
C2	0.000	0.000	-0.778
C3	0.000	0.000	0.532
O4	0.000	0.000	1.738

	C1	C2	C3	O4
C1		1.2925	2.6033	3.8090
C2	1.2925		1.3107	2.5165
C3	2.6033	1.3107		1.2057
O4	3.8090	2.5165	1.2057

Number	Element	Mulliken
1	C	0.032
2	C	-0.200
3	C	0.252
4	O	-0.085

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

using model chemistry: wB97X-D/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>	68.461
(<r²>)^1/2	8.274

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

using model chemistry: wB97X-D/STO-3G

States and conformations

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