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	hartrees
Energy at 0K	-189.306215
Energy at 298.15K	-189.303756
HF Energy	-189.306215
Nuclear repulsion energy	75.401940

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	2276	2276	1307.68
2	Σ	1895	1895	27.64
3	Σ	933	933	4.58
4	Π	550	550	17.92
4	Π	550	550	17.92
5	Π	103	103	6.08
5	Π	103	103	6.08

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.058
C2	0.000	0.000	-0.766
C3	0.000	0.000	0.543
O4	0.000	0.000	1.710

	C1	C2	C3	O4
C1		1.2921	2.6012	3.7675
C2	1.2921		1.3090	2.4754
C3	2.6012	1.3090		1.1663
O4	3.7675	2.4754	1.1663

Number	Element	Mulliken
1	C	-0.802
2	C	0.766
3	C	0.232
4	O	-0.196

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

using model chemistry: B97D3/aug-cc-pVDZ

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>	69.286
(<r²>)^1/2	8.324

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

using model chemistry: B97D3/aug-cc-pVDZ

States and conformations

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