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	hartrees
Energy at 0K	-188.867286
Energy at 298.15K	-188.865014
HF Energy	-188.322363
Nuclear repulsion energy	75.761663

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	2310	2200	1603.37
2	Σ	1965	1872	28.92
3	Σ	971	925	0.01
4	Π	595	567	41.27
4	Π	595	567	41.27
5	Π	144	137	2.61
5	Π	144	137	2.61

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.045
C2	0.000	0.000	-0.764
C3	0.000	0.000	0.539
O4	0.000	0.000	1.703

	C1	C2	C3	O4
C1		1.2815	2.5846	3.7481
C2	1.2815		1.3030	2.4666
C3	2.5846	1.3030		1.1635
O4	3.7481	2.4666	1.1635

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

using model chemistry: QCISD/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: QCISD/6-31G*

States and conformations

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