Borane, difluoromethyl-

Formula: CH₃BF₂
Molecular weight: 63.842
CAS Registry Number: 373-64-8
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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
12.54 ± 0.03	EI	Steele, Nichols, et al., 1962	RDSH
13.16	PE	Berger, Kroner, et al., 1976	Vertical value; LLK

Appearance energy determinations

Ion	AE (eV)	Other Products	Method	Reference	Comment
BF₂⁺	13.62 ± 0.02	CH₃	EI	Steele, Nichols, et al., 1962	RDSH
CH₂⁺	16.9 ± 0.1	?	EI	Steele, Nichols, et al., 1962	RDSH
CH₂BF⁺	13.38 ± 0.02	?	EI	Steele, Nichols, et al., 1962	RDSH
CH₃⁺	14.8 ± 0.1	?	EI	Steele, Nichols, et al., 1962	RDSH
CH₃BF⁺	15.1 ± 0.1	F	EI	Steele, Nichols, et al., 1962	RDSH

References

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Steele, Nichols, et al., 1962
Steele, W.C.; Nichols, L.D.; Stone, F.G.A., An electron impact investigation of some organoboron difluorides, J. Am. Chem. Soc., 1962, 84, 1154. [all data]

Berger, Kroner, et al., 1976
Berger, H.-O.; Kroner, J.; Noth, H., Die borhalogen-bindung in Methylhalogenboranen: Photoelektronenspektren und ab initio-Rechnungen, Chem. Ber., 1976, 109, 2266. [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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