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	hartrees
Energy at 0K	-189.126810
Energy at 298.15K	-189.121816
HF Energy	-188.327041
Nuclear repulsion energy	77.272057

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	2490	2490	2681.82
2	Σ	2166	2166	175.46
3	Σ	1042	1042	0.22
4	Π	681	681	69.41
4	Π	681	681	69.41
5	Π	143	143	1.39
5	Π	143	143	1.39

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.009
C2	0.000	0.000	-0.750
C3	0.000	0.000	0.539
O4	0.000	0.000	1.665

	C1	C2	C3	O4
C1		1.2590	2.5485	3.6738
C2	1.2590		1.2895	2.4147
C3	2.5485	1.2895		1.1252
O4	3.6738	2.4147	1.1252

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

using model chemistry: CBS-Q

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: CBS-Q

States and conformations

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