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	hartrees
Energy at 0K	-186.853685
Energy at 298.15K	-186.851250
HF Energy	-186.853685
Nuclear repulsion energy	73.062825

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	2247	2079	536.29
2	Σ	1840	1702	136.44
3	Σ	911	843	0.75
4	Π	534	494	11.61
4	Π	534	494	11.61
5	Π	169	156	2.96
5	Π	169	156	2.96

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.109
C2	0.000	0.000	-0.789
C3	0.000	0.000	0.537
O4	0.000	0.000	1.770

	C1	C2	C3	O4
C1		1.3204	2.6465	3.8796
C2	1.3204		1.3261	2.5592
C3	2.6465	1.3261		1.2331
O4	3.8796	2.5592	1.2331

Number	Element	Mulliken
1	C	0.011
2	C	-0.146
3	C	0.189
4	O	-0.054

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

using model chemistry: BLYP/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>	70.393
(<r²>)^1/2	8.390

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

using model chemistry: BLYP/STO-3G

States and conformations

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