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	hartrees
Energy at 0K	-188.970309
Energy at 298.15K	-188.968111
HF Energy	-188.342517
Nuclear repulsion energy	75.986021

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	2379	2247	1070.45
2	Σ	1938	1831	10.13
3	Σ	951	898	0.01
4	Π	595	562	19.51
4	Π	595	562	19.51
5	Π	166	156	8.48
5	Π	166	156	8.48

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.040
C2	0.000	0.000	-0.761
C3	0.000	0.000	0.538
O4	0.000	0.000	1.697

	C1	C2	C3	O4
C1		1.2786	2.5782	3.7374
C2	1.2786		1.2996	2.4588
C3	2.5782	1.2996		1.1592
O4	3.7374	2.4588	1.1592

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

using model chemistry: MP2/6-31G(2df,p)

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: MP2/6-31G(2df,p)

States and conformations

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