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	hartrees
Energy at 0K	-189.100573
Energy at 298.15K	-189.098348
HF Energy	-188.403156
Nuclear repulsion energy	76.156134

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	2341	2220	1260.57
2	Σ	1930	1830	11.63
3	Σ	945	897	0.00
4	Π	590	560	16.86
4	Π	590	560	16.86
5	Π	158	150	9.31
5	Π	158	150	9.31

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.035
C2	0.000	0.000	-0.761
C3	0.000	0.000	0.538
O4	0.000	0.000	1.694

	C1	C2	C3	O4
C1		1.2738	2.5737	3.7290
C2	1.2738		1.2999	2.4552
C3	2.5737	1.2999		1.1553
O4	3.7290	2.4552	1.1553

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

using model chemistry: MP2/cc-pVQZ

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: MP2/cc-pVQZ

States and conformations

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