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	hartrees
Energy at 0K	-188.924580
Energy at 298.15K	-188.922302
HF Energy	-188.338301
Nuclear repulsion energy	75.109287

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	Σ	2278	2184
2	Σ	1901	1823
3	Σ	935	897
4	Π	583	559
4	Π	583	559
5	Π	145	139
5	Π	145	139

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.068
C2	0.000	0.000	-0.769
C3	0.000	0.000	0.550
O4	0.000	0.000	1.715

	C1	C2	C3	O4
C1		1.2998	2.6185	3.7838
C2	1.2998		1.3187	2.4840
C3	2.6185	1.3187		1.1652
O4	3.7838	2.4840	1.1652

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

using model chemistry: QCISD(T)=FULL/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(T)=FULL/cc-pVDZ

States and conformations

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