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	hartrees
Energy at 0K	-189.403530
Energy at 298.15K	-189.401512
HF Energy	-189.403530
Nuclear repulsion energy	75.965917

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	2337	2253	1590.16
2	Σ	1972	1901	30.35
3	Σ	968	933	2.31
4	Π	638	615	29.10
4	Π	638	615	29.10
5	Π	208	201	6.14
5	Π	208	201	6.14

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.040
C2	0.000	0.000	-0.763
C3	0.000	0.000	0.538
O4	0.000	0.000	1.698

	C1	C2	C3	O4
C1		1.2768	2.5780	3.7379
C2	1.2768		1.3012	2.4611
C3	2.5780	1.3012		1.1599
O4	3.7379	2.4611	1.1599

Number	Element	Mulliken
1	C	-1.175
2	C	1.797
3	C	-0.166
4	O	-0.456

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

using model chemistry: B3LYP/6-31+G**

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>	68.594
(<r²>)^1/2	8.282

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

using model chemistry: B3LYP/6-31+G**

States and conformations

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