Dicobalt octacarbonyl

Formula: C₈Co₂O₈
Molecular weight: 341.9472
IUPAC Standard InChI: InChI=1S/8CO.2Co/c8*1-2;;
IUPAC Standard InChIKey: NFWSABSVGZVHCA-UHFFFAOYSA-N
CAS Registry Number: 10210-68-1
Chemical structure:
This structure is also available as a 2d Mol file
Other names: Cobalt, di-μ-carbonylhexacarbonyldi-, (Co-Co); Cobalt carbonyl (Co2(CO)8); Cobalt tetracarbonyl dimer; Di-μ-carbonylhexacarbonyldicobalt; Dicobalt carbonyl (Co2(CO)8); Octacarbonyldicobalt; Co2(CO)8; Cobalt carbonyl; Cobalt, di-μ-carbonylhexacarbonyldi-; Cobalt octacarbonyl
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Gas phase ion energetics data

Data compiled as indicated in comments:
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

IE (eV)	Method	Reference	Comment
8.3 ± 0.1	EI	Bidinosti and McIntyre, 1970	RDSH
8.12 ± 0.22	EI	Winters and Kiser, 1965	RDSH

Appearance energy determinations

Ion	AE (eV)	Other Products	Method	Reference	Comment
CoCO⁺	14.4 ± 0.5	?	EI	Winters and Kiser, 1965	RDSH
Co₂CO⁺	16.7 ± 0.3	7CO	EI	Winters and Kiser, 1965	RDSH
CoC₂O₂⁺	12.7 ± 0.4	?	EI	Winters and Kiser, 1965	RDSH
Co₂C₂O₂⁺	14.7 ± 0.5	6CO	EI	Winters and Kiser, 1965	RDSH
CoC₃O₃⁺	10.9 ± 0.3	?	EI	Winters and Kiser, 1965	RDSH
CoC₄O₄⁺	8.8 ± 0.1	?	EI	Bidinosti and McIntyre, 1967	RDSH
Co₂C₄O₄⁺	12.2 ± 0.3	4CO	EI	Winters and Kiser, 1965	RDSH
Co₂C₅O₅⁺	10.1 ± 0.4	3CO	EI	Winters and Kiser, 1965	RDSH
Co₂C₆O₆⁺	9.4 ± 0.3	2CO	EI	Winters and Kiser, 1965	RDSH
Co₂C₇O₇⁺	8.6 ± 0.3	CO	EI	Winters and Kiser, 1965	RDSH
Co⁺	16.9 ± 0.4	?	EI	Winters and Kiser, 1965	RDSH
Co₂⁺	17.8 ± 0.4	8CO	EI	Winters and Kiser, 1965	RDSH

References

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Bidinosti and McIntyre, 1970
Bidinosti, D.R.; McIntyre, N.S., Mass spectrometric study of the thermal decomposition of dimanganese decacarbonyl and dicobalt octacarbonyl, Can. J. Chem., 1970, 48, 593. [all data]

Winters and Kiser, 1965
Winters, R.E.; Kiser, R.W., Ions produced by electron impact with the dimetallic carbonyls of cobalt and manganese, J. Phys. Chem., 1965, 69, 1618. [all data]

Bidinosti and McIntyre, 1967
Bidinosti, D.R.; McIntyre, N.S., The metal-metal bond dissociation energy in cobalt octacarbonyl, Chem. Commun., 1967, 1. [all data]

Notes

Go To: Top, Gas phase ion energetics data, References

Symbols used in this document:

AE Appearance energy
Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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