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	hartrees
Energy at 0K	-189.347347
Energy at 298.15K	-189.345061
HF Energy	-189.347347
Nuclear repulsion energy	75.981894

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	2281	2249	1253.65
2	Σ	1904	1877	34.53
3	Σ	937	923	3.46
4	Π	577	569	19.07
4	Π	577	569	19.07
5	Π	144	142	7.24
5	Π	144	142	7.24

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.040
C2	0.000	0.000	-0.761
C3	0.000	0.000	0.538
O4	0.000	0.000	1.697

	C1	C2	C3	O4
C1		1.2795	2.5787	3.7378
C2	1.2795		1.2992	2.4583
C3	2.5787	1.2992		1.1591
O4	3.7378	2.4583	1.1591

Number	Element	Mulliken
1	C	-0.010
2	C	-0.221
3	C	0.299
4	O	-0.068

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

using model chemistry: B97D3/cc-pVTZ

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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<r²>	68.248
(<r²>)^1/2	8.261

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

using model chemistry: B97D3/cc-pVTZ

States and conformations

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