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	hartrees
Energy at 0K	-32.562975
Energy at 298.15K	-32.561022
HF Energy	-32.018679
Nuclear repulsion energy	35.492279

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	2296	2188	1222.16
2	Σ	1883	1794	6.43
3	Σ	923	880	0.01
4	Π	595	567	19.57
4	Π	595	567	19.57
5	Π	253	241	9.44
5	Π	253	241	9.44

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.063
C2	0.000	0.000	-0.772
C3	0.000	0.000	0.543
O4	0.000	0.000	1.720

	C1	C2	C3	O4
C1		1.2912	2.6065	3.7830
C2	1.2912		1.3152	2.4917
C3	2.6065	1.3152		1.1765
O4	3.7830	2.4917	1.1765

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

using model chemistry: MP2/CEP-121G*

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/CEP-121G*

States and conformations

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