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	hartrees
Energy at 0K	-188.865599
Energy at 298.15K	-188.863367
HF Energy	-188.372552
Nuclear repulsion energy	76.835164

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	2424	2243	2089.61
2	Σ	2067	1912	92.08
3	Σ	997	922	0.27
4	Π	647	599	50.39
4	Π	647	599	50.39
5	Π	134	124	1.42
5	Π	134	124	1.42

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.021
C2	0.000	0.000	-0.757
C3	0.000	0.000	0.541
O4	0.000	0.000	1.678

	C1	C2	C3	O4
C1		1.2638	2.5624	3.6986
C2	1.2638		1.2986	2.4348
C3	2.5624	1.2986		1.1361
O4	3.6986	2.4348	1.1361

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

using model chemistry: CISD/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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All results from a given calculation for C3O (Tricarbon monoxide)

using model chemistry: CISD/6-311G*

States and conformations

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