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	hartrees
Energy at 0K	-188.887449
Energy at 298.15K	-188.885187
HF Energy	-188.340312
Nuclear repulsion energy	75.449845

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	2291	2198	1617.14
2	Σ	1948	1868	42.15
3	Σ	957	918	0.02
4	Π	602	577	36.85
4	Π	602	577	36.85
5	Π	142	136	2.37
5	Π	142	136	2.37

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.059
C2	0.000	0.000	-0.767
C3	0.000	0.000	0.549
O4	0.000	0.000	1.708

	C1	C2	C3	O4
C1		1.2919	2.6080	3.7669
C2	1.2919		1.3161	2.4750
C3	2.6080	1.3161		1.1589
O4	3.7669	2.4750	1.1589

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

using model chemistry: QCISD/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/cc-pVDZ

States and conformations

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