Chromium,bis[(1,2,3,4,5-η⁶)-hexamethylbenzene]-

Formula: C₂₄H₃₆Cr
Molecular weight: 376.5387
CAS Registry Number: 12243-39-9
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Gas phase ion energetics data

Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

IE (eV)	Method	Reference	Comment
5.19 ± 0.05	EI	Herberich and Muller, 1969	RDSH
4.68	PE	Connor, Martinho-Simoes, et al., 1979	Vertical value; LLK

Appearance energy determinations

Ion	AE (eV)	Other Products	Method	Reference	Comment
C₁₂H₁₈Cr⁺	10.3 ± 0.2	?	EI	Herberich and Muller, 1969	RDSH
Cr⁺	14.0 ± 0.4	?	EI	Herberich and Muller, 1969	RDSH

References

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Herberich and Muller, 1969
Herberich, G.E.; Muller, J., Massenspektren und Stabilitaten von Diaromatenchrom-Komplexen, J.Organometal. Chem., 1969, 16, 111. [all data]

Connor, Martinho-Simoes, et al., 1979
Connor, J.A.; Martinho-Simoes, J.A.; Skinner, H.A.; Zafarani-Moattar, M.T., Thermochemistry of bis-arene arenetricarbonyl-chromium compounds containing hexamethylbenzene, 1,3,5-tri-methylbenzene and naphthalene, J. Organomet. Chem., 1979, 179, 331. [all data]

Notes

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Symbols used in this document:

AE Appearance energy
Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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Chromium,bis[(1,2,3,4,5-η6)-hexamethylbenzene]-