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	hartrees
Energy at 0K	-188.877378
Energy at 298.15K	-188.875248
HF Energy	-188.321110
Nuclear repulsion energy	75.564457

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	2378	2222	1061.59
2	Σ	1942	1815	4.26
3	Σ	957	894	0.01
4	Π	598	559	23.19
4	Π	598	559	23.19
5	Π	187	175	7.78
5	Π	187	175	7.78

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.049
C2	0.000	0.000	-0.766
C3	0.000	0.000	0.537
O4	0.000	0.000	1.708

	C1	C2	C3	O4
C1		1.2826	2.5857	3.7565
C2	1.2826		1.3031	2.4739
C3	2.5857	1.3031		1.1708
O4	3.7565	2.4739	1.1708

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

using model chemistry: MP2=FULL/6-31G**

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/6-31G**

States and conformations

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