Benzene, 2-propenyl-

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.


Reaction thermochemistry data

Go To: Top, UV/Visible spectrum, References, Notes

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:
B - John E. Bartmess
ALS - 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

C9H9- + Hydrogen cation = Benzene, 2-propenyl-

By formula: C9H9- + H+ = C9H10

Quantity Value Units Method Reference Comment
Δr1540. ± 9.2kJ/molG+TSGlasovac, Eckert-Maksic, et al., 2002gas phase; The PhCH2CH=CH2 HOF by 81CHY/HIM is at least 4 kcal/mol too high in energy; B
Δr1540. ± 19.kJ/molG+TSDahlke and Kass, 1991gas phase; Between Et2NOH, Me2CH=NOH. Reprotonation site uncertain.; B
Quantity Value Units Method Reference Comment
Δr1513. ± 8.8kJ/molIMREGlasovac, Eckert-Maksic, et al., 2002gas phase; The PhCH2CH=CH2 HOF by 81CHY/HIM is at least 4 kcal/mol too high in energy; B
Δr1513. ± 19.kJ/molIMRBDahlke and Kass, 1991gas phase; Between Et2NOH, Me2CH=NOH. Reprotonation site uncertain.; B

Benzene, 2-propenyl- = (Z)-1-Phenylpropene

By formula: C9H10 = C9H10

Quantity Value Units Method Reference Comment
Δr-12.3 ± 0.6kJ/molEqkTaskinen and Lindholm, 1994liquid phase; solvent: DMSO; Heat of isomerization; ALS

Hydrogen + Benzene, 2-propenyl- = Benzene, propyl-

By formula: H2 + C9H10 = C9H12

Quantity Value Units Method Reference Comment
Δr-126. ± 0.8kJ/molChydRogers and McLafferty, 1971liquid phase; solvent: Hydrocarbon; ALS

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; ALS

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; ALS

UV/Visible spectrum

Go To: Top, Reaction thermochemistry data, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Victor Talrose, Eugeny B. Stern, Antonina A. Goncharova, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina

Spectrum

Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.

UVVis spectrum
For Zoom
1.) Enter the desired X axis range (e.g., 100, 200)
2.) Check here for automatic Y scaling
3.) Press here to zoom

Additional Data

View image of digitized spectrum (can be printed in landscape orientation).

View spectrum image in SVG format.

Download spectrum in JCAMP-DX format.

Source Rabinovich, Astaf'ev, et al., 1962
Owner INEP CP RAS, NIST OSRD
Collection (C) 2007 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS
Source reference RAS UV No. 3167
Instrument n.i.g.
Melting point -40
Boiling point 156

References

Go To: Top, Reaction thermochemistry data, UV/Visible spectrum, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Glasovac, Eckert-Maksic, et al., 2002
Glasovac, Z.; Eckert-Maksic, M.; Dacres, J.E.; Kass, S.R., Gas phase formation of 1-phenylcyclobuten-3-yl and 1- phenylallyl anions and a determination of the allylic C-H acidities and bond dissociation energies of 1-phenylcyclobutene and (E)-1-phen, J. Chem. Soc. Perkin Trans., 2002, 2, 3, 410-415, https://doi.org/10.1039/b111398d . [all data]

Dahlke and Kass, 1991
Dahlke, G.D.; Kass, S.R., Substituent Effects in the Gas Phase - 1-Substituted Allyl Anions, J. Am. Chem. Soc., 1991, 113, 15, 5566, https://doi.org/10.1021/ja00015a008 . [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]

Rogers and McLafferty, 1971
Rogers, D.W.; McLafferty, F.J., A new hydrogen calorimeter. Heats of hydrogenation of allyl and vinyl unsaturation adjacent to a ring, Tetrahedron, 1971, 27, 3765-3775. [all data]

Rabinovich, Astaf'ev, et al., 1962
Rabinovich, E.A.; Astaf'ev, I.V.; Shatenshtein, A.I., The problem of the carbane ion mechanism of isomerization of unsaturated hydrocarbons, Zh. Obshch. Khim., 1962, 32, 746-747. [all data]


Notes

Go To: Top, Reaction thermochemistry data, UV/Visible spectrum, References