Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

Cyclopentane, 1,2-dibromo,trans-

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.


Phase change data

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Deltavap47.815kJ/molVLister, 1941Halogenation at 27 C; ALS

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
47.9288.AStephenson and Malanowski, 1987Based on data from 273. - 332. K. See also Lister, 1941.; AC

Reaction thermochemistry data

Go To: Top, Phase change data, Gas phase ion energetics 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: 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

Cyclopentene + Bromine = Cyclopentane, 1,2-dibromo,trans-

By formula: C5H8 + Br2 = C5H8Br2

Quantity Value Units Method Reference Comment
Deltar-119.7 ± 2.5kJ/molCmLister, 1941gas phase; Halogenation at 27 C

Gas phase ion energetics data

Go To: Top, Phase change data, 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 as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

IE (eV) Method Reference Comment
10.08 ± 0.02PEBotter, Menes, et al., 1973LLK
10.04PEGounelle, Menard, et al., 1975Vertical value; LLK

References

Go To: Top, Phase change data, 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.

Lister, 1941
Lister, M.W., Heats of organic reactions. X. Heats of bromination of cyclic olefins, J. Am. Chem. Soc., 1941, 63, 143-149. [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Botter, Menes, et al., 1973
Botter, R.; Menes, F.; Gounelle, Y.; Pechine, J.M.; Solgadi, D., The ionization potentials of geometrical isomers: the cis and trans 2-subststituted cyclopentyl and cyclohexyl bromides, Int. J. Mass Spectrom. Ion Phys., 1973, 12, 188. [all data]

Gounelle, Menard, et al., 1975
Gounelle, Y.; Menard, C.; Pechine, J.M.; Solgadi, D.; Menes, F.; Botter, R., Conformational effects on ionization potentials; Photoelectron spectra of dibromo- and bromofluoro- alkyl compounds, J. Electron Spectrosc. Relat. Phenom., 1975, 7, 247. [all data]


Notes

Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, References