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	hartrees
Energy at 0K	-189.321724
Energy at 298.15K	-189.319711
HF Energy	-189.321724
Nuclear repulsion energy	76.227110

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	2380	2266	1919.27
2	Σ	2038	1940	69.07
3	Σ	984	937	0.20
4	Π	651	620	36.12
4	Π	651	620	36.12
5	Π	204	194	4.04
5	Π	204	194	4.04

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.035
C2	0.000	0.000	-0.763
C3	0.000	0.000	0.542
O4	0.000	0.000	1.692

	C1	C2	C3	O4
C1		1.2719	2.5770	3.7266
C2	1.2719		1.3052	2.4547
C3	2.5770	1.3052		1.1495
O4	3.7266	2.4547	1.1495

Number	Element	Mulliken
1	C	-1.014
2	C	1.544
3	C	-0.129
4	O	-0.401

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

using model chemistry: M06-2X/6-31+G**

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>	68.228
(<r²>)^1/2	8.260

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

using model chemistry: M06-2X/6-31+G**

States and conformations

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