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	hartrees
Energy at 0K	-189.332840
Energy at 298.15K	-189.330778
HF Energy	-189.332840
Nuclear repulsion energy	76.211308

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	2373	2270	1665.48
2	Σ	2000	1914	47.88
3	Σ	978	936	1.70
4	Π	639	611	31.28
4	Π	639	611	31.28
5	Π	192	184	5.15
5	Π	192	184	5.15

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.034
C2	0.000	0.000	-0.761
C3	0.000	0.000	0.539
O4	0.000	0.000	1.692

	C1	C2	C3	O4
C1		1.2737	2.5730	3.7266
C2	1.2737		1.2993	2.4530
C3	2.5730	1.2993		1.1536
O4	3.7266	2.4530	1.1536

Number	Element	Mulliken
1	C	-0.953
2	C	1.555
3	C	-0.180
4	O	-0.422

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

using model chemistry: B1B95/6-31+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>	68.116
(<r²>)^1/2	8.253

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

using model chemistry: B1B95/6-31+G**

States and conformations

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