Hexaborane

Formula: B₆H₁₀
Molecular weight: 74.945
IUPAC Standard InChI: InChI=1S/B6H10/c7-1-2-6(1)3(7)9-5(6)10-4(6)8-2/h1-6H
IUPAC Standard InChIKey: JLQWWRKFGJQFTI-UHFFFAOYSA-N
CAS Registry Number: 23777-80-2
Chemical structure:
This structure is also available as a 2d Mol file
Other names: Hexaborane(10); Boron hydride (B6H10)
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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
9.0	PE	Ulman and Fehlner, 1978	LLK
9.3 ± 0.1	EI	Fehlner and Koski, 1964	RDSH
9.4	PE	Ulman and Fehlner, 1978	Vertical value; LLK

Appearance energy determinations

Ion	AE (eV)	Other Products	Method	Reference	Comment
B₅H₅⁺	13.6 ± 0.2	?	EI	Fehlner and Koski, 1964	RDSH
B₅H₇⁺	12.0 ± 0.2	BH₃	EI	Fehlner and Koski, 1964	RDSH
B₆H₄⁺	13.4	3H₂	EI	Fehlner and Koski, 1964	RDSH
B₆H₅⁺	12.0	2H₂+H	EI	Fehlner and Koski, 1964	RDSH
B₆H₆⁺	11.9	2H₂	EI	Fehlner and Koski, 1964	RDSH
B₆H₇⁺	11.5 ± 0.3	H₂+H	EI	Fehlner and Koski, 1964	RDSH
B₆H₈⁺	11.2 ± 0.1	H₂	EI	Fehlner and Koski, 1964	RDSH
B₆H₉⁺	11.1 ± 0.4	H	EI	Fehlner and Koski, 1964	RDSH

References

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Ulman and Fehlner, 1978
Ulman, J.A.; Fehlner, T.P., Ultraviolet photoelectron spectroscopy of boranes and carboranes. Five-, six-, and seven- atom frameworks, J. Am. Chem. Soc., 1978, 100, 449. [all data]

Fehlner and Koski, 1964
Fehlner, T.P.; Koski, W.S., The fragmentation of some boron hydrides by electron impact, J. Am. Chem. Soc., 1964, 86, 581. [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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