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	hartrees
Energy at 0K	-189.002795
Energy at 298.15K	-189.000515
HF Energy	-188.372138
Nuclear repulsion energy	76.642671

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	2432	2432	1991.12
2	Σ	2061	2061	74.31
3	Σ	986	986	0.28
4	Π	629	629	43.49
4	Π	629	629	43.49
5	Π	126	126	1.86
5	Π	126	126	1.86

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.027
C2	0.000	0.000	-0.759
C3	0.000	0.000	0.544
O4	0.000	0.000	1.681

	C1	C2	C3	O4
C1		1.2681	2.5707	3.7084
C2	1.2681		1.3025	2.4403
C3	2.5707	1.3025		1.1377
O4	3.7084	2.4403	1.1377

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

using model chemistry: MP3=FULL/6-311G*

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: MP3=FULL/6-311G*

States and conformations

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