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	hartrees
Energy at 0K	-188.888247
Energy at 298.15K	-188.886101
HF Energy	-188.338819
Nuclear repulsion energy	75.214552

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	2354	2238	1074.22
2	Σ	1923	1827	6.90
3	Σ	943	896	0.04
4	Π	592	563	20.48
4	Π	592	563	20.48
5	Π	182	173	7.10
5	Π	182	173	7.10

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.063
C2	0.000	0.000	-0.769
C3	0.000	0.000	0.547
O4	0.000	0.000	1.714

	C1	C2	C3	O4
C1		1.2941	2.6107	3.7773
C2	1.2941		1.3166	2.4832
C3	2.6107	1.3166		1.1666
O4	3.7773	2.4832	1.1666

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

using model chemistry: MP2=FULL/cc-pVDZ

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=FULL/cc-pVDZ

States and conformations

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