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	hartrees
Energy at 0K	-189.312537
Energy at 298.15K	-189.310468
HF Energy	-189.312537
Nuclear repulsion energy	76.219774

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	2395	2268	1711.07
2	Σ	2040	1932	58.94
3	Σ	987	935	0.39
4	Π	629	595	37.74
4	Π	629	595	37.74
5	Π	196	186	4.09
5	Π	196	186	4.09

Atom	x (Å)	y (Å)	z (Å)
C1	0.000	0.000	-2.035
C2	0.000	0.000	-0.762
C3	0.000	0.000	0.541
O4	0.000	0.000	1.692

	C1	C2	C3	O4
C1		1.2731	2.5763	3.7269
C2	1.2731		1.3032	2.4538
C3	2.5763	1.3032		1.1506
O4	3.7269	2.4538	1.1506

Number	Element	Mulliken
1	C	-0.103
2	C	0.070
3	C	0.349
4	O	-0.316

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

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

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>	67.660
(<r²>)^1/2	8.226

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

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

States and conformations

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