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	hartrees
Energy at 0K	-188.911466
Energy at 298.15K	-188.909176
HF Energy	-188.339568
Nuclear repulsion energy	75.281973

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	Σ	2333	2333
2	Σ	1955	1955
3	Σ	947	947
4	Π	589	589
4	Π	589	589
5	Π	138	138
5	Π	138	138

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.064
C2	0.000	0.000	-0.769
C3	0.000	0.000	0.551
O4	0.000	0.000	1.711

	C1	C2	C3	O4
C1		1.2949	2.6154	3.7754
C2	1.2949		1.3206	2.4805
C3	2.6154	1.3206		1.1600
O4	3.7754	2.4805	1.1600

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

using model chemistry: QCISD(TQ)/cc-pVDZ

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(TQ)/cc-pVDZ

States and conformations

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