Bicyclo[3.1.0]hexane

Formula: C₆H₁₀
Molecular weight: 82.1436
IUPAC Standard InChI: InChI=1S/C6H10/c1-2-5-4-6(5)3-1/h5-6H,1-4H2
IUPAC Standard InChIKey: JAPMJSVZDUYFKL-UHFFFAOYSA-N
CAS Registry Number: 285-58-5
Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
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Stereoisomers:
- cis-Bicyclo[3.1.0]hexane
Other names: Norsabinane; Northujane
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Gas phase ion energetics data

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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

View reactions leading to C₆H₁₀⁺ (ion structure unspecified)

Ionization energy determinations

IE (eV)	Method	Reference	Comment
9.28 ± 0.05	EI	Wolkoff and Holmes, 1979	LLK
9.16 ± 0.02	EI	Winters and Collins, 1969	RDSH

Appearance energy determinations

Ion	AE (eV)	Other Products	Method	Reference	Comment
C₃H₃⁺	12.98 ± 0.19	?	EI	Winters and Collins, 1969	RDSH
C₃H₅⁺	11.65 ± 0.14	?	EI	Winters and Collins, 1969	RDSH
C₄H₅⁺	12.62 ± 0.11	?	EI	Winters and Collins, 1969	RDSH
C₄H₆⁺	10.28 ± 0.05	?	EI	Winters and Collins, 1969	RDSH
C₅H₅⁺	13.20 ± 0.12	?	EI	Winters and Collins, 1969	RDSH
C₅H₇⁺	9.88 ± 0.05	CH₃	EI	Wolkoff and Holmes, 1979	LLK
C₅H₇⁺	9.68 ± 0.07	CH₃	EI	Winters and Collins, 1969	RDSH
C₆H₇⁺	11.60 ± 0.15	H₂+H	EI	Winters and Collins, 1969	RDSH
C₆H₉⁺	10.20 ± 0.10	H	EI	Winters and Collins, 1969	RDSH

References

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Wolkoff and Holmes, 1979
Wolkoff, P.; Holmes, J.L., Isomeric cyclic [C₆H₁₀]⁺ ions. The energy barrier to ring opening, Can. J. Chem., 1979, 57, 348. [all data]

Winters and Collins, 1969
Winters, R.E.; Collins, J.H., Mass spectrometric studies of structural isomers. II.Mono- and bicyclic C₆H₁₀ molecules, Org. Mass Spectrom., 1969, 2, 299. [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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