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	hartrees
Energy at 0K	-32.715705
Energy at 298.15K	-32.713841
HF Energy	-32.715705
Nuclear repulsion energy	35.274641

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	2236	2179	1547.34
2	Σ	1845	1798	6.38
3	Σ	912	889	7.71
4	Π	617	601	27.95
4	Π	617	601	27.95
5	Π	273	266	7.99
5	Π	273	266	7.99

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.073
C2	0.000	0.000	-0.772
C3	0.000	0.000	0.538
O4	0.000	0.000	1.731

	C1	C2	C3	O4
C1		1.3015	2.6116	3.8040
C2	1.3015		1.3100	2.5025
C3	2.6116	1.3100		1.1925
O4	3.8040	2.5025	1.1925

Number	Element	Mulliken
1	C	-0.351
2	C	0.481
3	C	-0.212
4	O	0.082

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

using model chemistry: B3LYP/CEP-121G

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>	54.073
(<r²>)^1/2	7.353

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

using model chemistry: B3LYP/CEP-121G

States and conformations

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