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	hartrees
Energy at 0K	-188.913222
Energy at 298.15K	-188.910967
HF Energy	-188.320816
Nuclear repulsion energy	75.470820

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	Σ	2305	2305
2	Σ	1922	1922
3	Σ	950	950
4	Π	589	589
4	Π	589	589
5	Π	153	153
5	Π	153	153

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.053
C2	0.000	0.000	-0.765
C3	0.000	0.000	0.540
O4	0.000	0.000	1.709

	C1	C2	C3	O4
C1		1.2885	2.5935	3.7624
C2	1.2885		1.3050	2.4739
C3	2.5935	1.3050		1.1689
O4	3.7624	2.4739	1.1689

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

using model chemistry: QCISD(T)=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: QCISD(T)=FULL/6-31G*

States and conformations

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