Trends in electron-ion dissociative recombination of benzene analogs with functional group substitutions: Negative Hammett σpara values

David Osborne, Patrick Andrew Lawson, Nigel Adams, Itzhak Dotan

פרסום מחקרי: פרסום בכתב עתמאמרביקורת עמיתים

תקציר

An in-depth study of the effects of functional group substitution on benzene's electron-ion dissociative recombination (e-IDR) rate constant has been conducted. The e-IDR rate constants for benzene, biphenyl, toluene, ethylbenzene, anisole, phenol, and aniline have been measured using a Flowing Afterglow equipped with an electrostatic Langmuir probe (FALP). These measurements have been made over a series of temperatures from 300 to 550. K. A relationship between the Hammett σpara values for each compound and rate constant has indicated a trend in the e-IDR rate constants and possibly in their temperature dependence data. The Hammett σpara value is a method to describe the effect a functional group substituted to a benzene ring has upon the reaction rate constant.

שפה מקוריתאנגלית
עמודים (מ-עד)1-4
מספר עמודים4
כתב עתIcarus
כרך235
מזהי עצם דיגיטלי (DOIs)
סטטוס פרסוםפורסם - יוני 2014

הערה ביבליוגרפית

Funding Information:
The authors gratefully acknowledge the suggestions of Inbal Tuvi-Arad from the Open University of Israel and the support of NASA under Grant, NNX10AB96G.

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