Title
Thermochemical study of the liquid phase equilibrium reaction of dihalomethanes by NMR spectroscopy
Date Issued
30 June 2005
Access level
metadata only access
Resource Type
journal article
Author(s)
University of North Carolina
Publisher(s)
Elsevier
Abstract
The liquid phase equilibrium reaction of dihalomethanes (2CH2BrI ⇆ CH2Br2 + CH2I2) has been investigated by NMR spectroscopy, as a function of the temperature and initial concentration of the reactants. The equilibrium constants have been experimentally determined for this reaction from the profile of the NMR spectra. Heat capacity measurements were carried out in the temperature range from 293.15 to 353.15 K by differential scanning calorimetry. The results relate the heats of formation of the three compounds and confirm the recently determined heat of formation of CH2I2 of 107.5 kJ mol-1. © 2005 Elsevier B.V. All rights reserved.
Start page
230
End page
234
Volume
409
Issue
June 4
Language
English
OCDE Knowledge area
Química
Scopus EID
2-s2.0-20444471973
Source
Chemical Physics Letters
ISSN of the container
00092614
Sponsor(s)
The authors thank the US Department of Energy for support this work and also the Thermochemistry group from IQFR (Madrid) for d.s.c. measurements. A.F. Lago gratefully acknowledges the post-doctoral fellowship from CNPq-Brazil, and J.Z. Dávalos acknowledges the Ministerio de Educación, Cultura y Deporte of Spain for the PR2004-0031 Grant.
Sources of information:
Directorio de Producción Científica
Scopus