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	hartrees
Energy at 0K	-189.332303
Energy at 298.15K	-189.330112
HF Energy	-189.332303
Nuclear repulsion energy	76.600955

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	2395	2281	1709.82
2	Σ	2039	1942	71.18
3	Σ	984	937	0.18
4	Π	636	606	32.36
4	Π	636	606	32.36
5	Π	151	144	4.41
5	Π	151	144	4.41

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.026
C2	0.000	0.000	-0.759
C3	0.000	0.000	0.540
O4	0.000	0.000	1.683

	C1	C2	C3	O4
C1		1.2669	2.5661	3.7089
C2	1.2669		1.2992	2.4420
C3	2.5661	1.2992		1.1428
O4	3.7089	2.4420	1.1428

Number	Element	Mulliken
1	C	-0.153
2	C	-0.230
3	C	0.574
4	O	-0.191

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

using model chemistry: M06-2X/6-31G(2df,p)

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>	67.175
(<r²>)^1/2	8.196

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

using model chemistry: M06-2X/6-31G(2df,p)

States and conformations

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