2-Heptyne
- Formula: C7H12
- Molecular weight: 96.1702
- IUPAC Standard InChIKey: AMSFEMSYKQQCHL-UHFFFAOYSA-N
- CAS Registry Number: 1119-65-9
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: 1-Methyl-2-butylacetylene; n-C4H9C≡CCH3; hept-2-yne
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Gas phase ion energetics data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
LL - Sharon G. Lias and Joel F. Liebman
View reactions leading to C7H12+ (ion structure unspecified)
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.18 | PI | Orlov, Boganov, et al., 1985 | LBLHLM |
9.326 ± 0.005 | PE | Carlier, Dubois, et al., 1975 | LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C5H7+ | 9.6 | C2H5 | EI | Wagner-Redeker, Levsen, et al., 1981 | LLK |
C6H9+ | 10.11 | CH3 | EST | Takhistov and Ponomarev, 1994 | LL |
C6H9+ | 9.36 | CH3 | EI | Takhistov and Ponomarev, 1994 | Unpublished result of Khlebnikova,N.S.; Orlov,V.M.; Ponomarev,D.A.; Takhistov,V.V.; LL |
C6H9+ | 9.18 | CH3 | PI | Orlov, Boganov, et al., 1985 | LBLHLM |
C6H9+ | 9.4 | CH3 | EI | Wagner-Redeker, Levsen, et al., 1981 | LLK |
References
Go To: Top, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Orlov, Boganov, et al., 1985
Orlov, V.M.; Boganov, A.M.; Siretskaya, T.V.; Takhistov, V.V.,
Thermochemical characteristics of the molecular and fragmentation ions of substituted tert-butylacetylenes,
Izv. Akad. Nauk SSSR Ser. Khim., 1985, 12, 2795. [all data]
Carlier, Dubois, et al., 1975
Carlier, P.; Dubois, J.E.; Masclet, P.; Mouvier, G.,
Spectres de photoelectrons des alcynes,
J. Electron Spectrosc. Relat. Phenom., 1975, 7, 55. [all data]
Wagner-Redeker, Levsen, et al., 1981
Wagner-Redeker, W.; Levsen, K.; Schwarz, H.; Zummack, W.,
Gaseous alkyne ions,
J. Am. Chem. Soc., 1981, 16, 361. [all data]
Takhistov and Ponomarev, 1994
Takhistov, V.V.; Ponomarev, D.A.,
Isodesmic reactions and thermochemistry of ions,
Org. Mass Spectrom., 1994, 29, 395. [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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