Benzene, n-butyl-
- Formula: C10H14
- Molecular weight: 134.2182
- IUPAC Standard InChIKey: OCKPCBLVNKHBMX-UHFFFAOYSA-N
- CAS Registry Number: 104-51-8
- 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-Phenylbutane; n-Butylbenzene; Butylbenzene; UN 2709; Benzene, butyl-; 1-butylbenzene
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Gas phase ion energetics data
Go To: Top, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias
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
LL - Sharon G. Lias and Joel F. Liebman
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 8.69 ± 0.01 | eV | N/A | N/A | L |
Quantity | Value | Units | Method | Reference | Comment |
Proton affinity (review) | 791.9 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 764.2 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.68 | EI | McLoughlin, Morrison, et al., 1979 | LLK |
8.71 ± 0.01 | EQ | Lias and Ausloos, 1978 | LLK |
8.69 | PI | Price, Bralsford, et al., 1959 | RDSH |
8.69 ± 0.01 | PI | Watanabe, 1957 | RDSH |
8.69 ± 0.05 | PE | Nagy-Felsobuki and Peel, 1979 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C7H7+ | 10.67 ± 0.35 | C3H7 | CAD | Katritzky, Watson, et al., 1990 | LL |
C7H7+ | 9.93 | C3H7 | EI | McLoughlin, Morrison, et al., 1979 | LLK |
C7H8+ | 9.78 ± 0.35 | C3H6 | CAD | Katritzky, Watson, et al., 1990 | LL |
C7H8+ | 10.3 ± 0.1 | C3H6 | EI | Burgers, Terlouw, et al., 1982 | LBLHLM |
C7H8+ | 9.73 ± 0.04 | C3H6 | PI | McLoughlin, Morrison, et al., 1978 | LLK |
C7H8+ | 10.1 ± 0.1 | C3H6 | EI | Lightner, Majeti, et al., 1972 | LLK |
C8H9+ | 9.98 | C2H5 | EI | McLoughlin, Morrison, et al., 1979 | 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.
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
McLoughlin, Morrison, et al., 1979
McLoughlin, R.G.; Morrison, J.D.; Traeger, J.C.,
Photoionization of the C-1 - C-4 monosubstituted alkyl benzenes: Thermochemistry of [C7H7]+ and [C8H9]+ formation,
Org. Mass Spectrom., 1979, 14, 104. [all data]
Lias and Ausloos, 1978
Lias, S.G.; Ausloos, P.J.,
eIonization energies of organic compounds by equilibrium measurements,
J. Am. Chem. Soc., 1978, 100, 6027. [all data]
Price, Bralsford, et al., 1959
Price, W.C.; Bralsford, R.; Harris, P.V.; Ridley, R.G.,
Ultra-violet spectra and ionization potentials of hydrocarbon molecules,
Spectrochim. Acta, 1959, 14, 45. [all data]
Watanabe, 1957
Watanabe, K.,
Ionization potentials of some molecules,
J. Chem. Phys., 1957, 26, 542. [all data]
Nagy-Felsobuki and Peel, 1979
Nagy-Felsobuki, E.; Peel, J.B.,
Photoelectron spectroscopic studies of the butylbenzenes,
J. Electron Spectrosc. Relat. Phenom., 1979, 16, 397. [all data]
Katritzky, Watson, et al., 1990
Katritzky, A.R.; Watson, C.H.; Dega-Szafran, Z.; Eyler, J.R.,
Collisionally activated dissociation of N-alkylpyridinium cations to pyridine and alkyl cations in the gas phase,
J. Am. Chem. Soc., 1990, 112, 2471. [all data]
Burgers, Terlouw, et al., 1982
Burgers, P.C.; Terlouw, J.K.; Levsen, K.,
Gaseous [C7H8+] ions: [Methylene cyclohexadiene]+, a stable species in the gas phase,
Org. Mass Spectrom., 1982, 17, 295. [all data]
McLoughlin, Morrison, et al., 1978
McLoughlin, R.G.; Morrison, J.D.; Traeger, J.C.,
A photoionization study of the [C7H8]+ ion formed from some monosubstituted alkyl benzenes,
Org. Mass Spectrom., 1978, 13, 483. [all data]
Lightner, Majeti, et al., 1972
Lightner, D.A.; Majeti, S.; Nicoletti, R.; Thommen, E.,
Benzyl vs. tropylium ions in the electron impact induced decomposition of n- butylbenzenes,
Intra-Sci. Chem. Rep., 1972, 6, 113. [all data]
Notes
Go To: Top, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy IE (evaluated) Recommended ionization energy - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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