trans-β-Methylstyrene

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Reaction thermochemistry 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

Hydrogen + trans-β-Methylstyrene = Benzene, propyl-

By formula: H2 + C9H10 = C9H12

Quantity Value Units Method Reference Comment
Δr-105.9 ± 1.3kJ/molChydAbboud, Jimenez, et al., 1995liquid phase; solvent: Hyrocarbon; Like gas phase

(Z)-1-Phenylpropene = trans-β-Methylstyrene

By formula: C9H10 = C9H10

Quantity Value Units Method Reference Comment
Δr-11.0 ± 0.3kJ/molEqkTaskinen and Lindholm, 1994liquid phase; solvent: DMSO; Heat of isomerization

Benzene, 2-propenyl- = trans-β-Methylstyrene

By formula: C9H10 = C9H10

Quantity Value Units Method Reference Comment
Δr-23.3 ± 0.5kJ/molEqkTaskinen and Lindholm, 1994liquid phase; solvent: DMSO

trans-β-Methylstyrene = Benzene, 2-propenyl-

By formula: C9H10 = C9H10

Quantity Value Units Method Reference Comment
Δr-20.1kJ/molEqkTaskinen and Lindholm, 1994gas phase; Heat of isomerization

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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias

Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

View reactions leading to C9H10+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
Proton affinity (review)834.2kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity805.3kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
8.1PEKobayashi, Arai, et al., 1981LLK
8.20 ± 0.02PEMaier and Turner, 1973LLK
7.84 ± 0.04EIBenito, Seidl, et al., 1973LLK
8.34PEKobayashi, Arai, et al., 1981Vertical value; LLK
8.32PESalisbury, 1974Vertical value; LLK

References

Go To: Top, Reaction thermochemistry data, 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.

Abboud, Jimenez, et al., 1995
Abboud, J.-L.M.; Jimenez, P.; Roux, M.V.; Turrion, C.; Lopez-Mardomingo, C.; Podosenin, A.; Rogers, D.W.; Liebman, J.F., Interrelations of the energetics of amides and alkenes: enthalpies of formation of N,N-dimethyl dertivatives of pivalamide, 1-adamantylcarboxamide and benzamide, and of styrene and its a-, trans-β- and β,β-methylated derivates, J. Phys. Org. Chem., 1995, 8, 15-25. [all data]

Taskinen and Lindholm, 1994
Taskinen, E.; Lindholm, N., Relative thermodynamic stabilities of the isomeric propenylbenzenes, J. Phys. Org. Chem., 1994, 7, 256-258. [all data]

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]

Kobayashi, Arai, et al., 1981
Kobayashi, T.; Arai, T.; Sakuragi, H.; Tokumaru, K.; Utsunomiya, C., A new nethod for conformational analysis by photoelectron spectroscopy with application to alkyl-substituted styrenes, Bull. Chem. Soc. Jpn., 1981, 54, 1658. [all data]

Maier and Turner, 1973
Maier, J.P.; Turner, D.W., Steric inhibition of resonance studied by molecular photoelectron spectroscopy. Part 2. Phenylethylenes, J. Chem. Soc. Faraday Trans. 2, 1973, 69, 196. [all data]

Benito, Seidl, et al., 1973
Benito, I.; Seidl, H.; Bock, H., Efectos electronicos y estericos de sustituyentes alquilicos y silicicos sobre el sistema electronico π del estireno, Rev. Fac. Cienc. Univ. Oviedo, 1973, 14, 95. [all data]

Salisbury, 1974
Salisbury, K., Quenching of the fluorescence of styrenes by ground state oxygen, J. Photochem., 1974, 2, 401. [all data]


Notes

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