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	hartrees
Energy at 0K	-188.890931
Energy at 298.15K	-188.888839
HF Energy	-188.328659
Nuclear repulsion energy	75.557739

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	2355	2212	1286.26
2	Σ	1936	1818	4.34
3	Σ	952	894	0.02
4	Π	626	588	22.22
4	Π	626	588	22.22
5	Π	189	177	7.17
5	Π	189	177	7.17

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.048
C2	0.000	0.000	-0.767
C3	0.000	0.000	0.538
O4	0.000	0.000	1.708

	C1	C2	C3	O4
C1		1.2812	2.5864	3.7567
C2	1.2812		1.3052	2.4754
C3	2.5864	1.3052		1.1703
O4	3.7567	2.4754	1.1703

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

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

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/6-31+G**

States and conformations

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