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	hartrees
Energy at 0K	-189.421872
Energy at 298.15K	-189.419602
HF Energy	-189.421872
Nuclear repulsion energy	75.713389

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	2265	2259	1165.71
2	Σ	1887	1882	20.64
3	Σ	929	927	3.58
4	Π	583	581	22.82
4	Π	583	581	22.82
5	Π	150	149	5.56
5	Π	150	149	5.56

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.047
C2	0.000	0.000	-0.763
C3	0.000	0.000	0.538
O4	0.000	0.000	1.704

	C1	C2	C3	O4
C1		1.2836	2.5853	3.7505
C2	1.2836		1.3017	2.4669
C3	2.5853	1.3017		1.1652
O4	3.7505	2.4669	1.1652

Number	Element	Mulliken
1	C	-0.087
2	C	-0.040
3	C	0.235
4	O	-0.107

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

using model chemistry: BLYP/6-311G*

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>	68.627
(<r²>)^1/2	8.284

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

using model chemistry: BLYP/6-311G*

States and conformations

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