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	hartrees
Energy at 0K	-188.988380
Energy at 298.15K	-188.986094
HF Energy	-188.363713
Nuclear repulsion energy	75.156103

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	Σ	2207	2140
2	Σ	1786	1732
3	Σ	896	869
4	Π	572	554
4	Π	572	554
5	Π	150	145
5	Π	150	145

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.065
C2	0.000	0.000	-0.765
C3	0.000	0.000	0.543
O4	0.000	0.000	1.715

	C1	C2	C3	O4
C1		1.2997	2.6072	3.7796
C2	1.2997		1.3075	2.4799
C3	2.6072	1.3075		1.1725
O4	3.7796	2.4799	1.1725

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

using model chemistry: MP4/6-311G**

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: MP4/6-311G**

States and conformations

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