Issue 44, 2011
From the journal:

Chemical Communications

Stereo-isomerism controls surface reactivity: 1-chloropentane-pairs on Si(100)-2×1†‡

K. R. Harikumar,a   Iain R. McNab,a   John C. Polanyi,*a   Amir Zabet-Khosousi,a   Chiara Panosettib  and  Werner A. Hoferb  

* Corresponding authors

a Lash Miller Chemical Laboratories and Institute for Optical Sciences, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
E-mail: jpolanyi@chem.utoronto.ca

b Surface Science Research Centre, University of Liverpool, Liverpool, UK

Abstract

Chloropentane forms asymmetric (‘A’) and symmetric (‘S’) pairs on Si(100)-2×1, differing in the direction of curvature of one pentane tail. Surprisingly this renders the rate of thermal reaction of ‘A’ fifteen times greater than ‘S’ in chlorinating room-temperature silicon. Correspondingly, for electron-induced reaction the energy threshold for A is 1 eV less than for S.

Graphical abstract: Stereo-isomerism controls surface reactivity: 1-chloropentane-pairs on Si(100)-2×1

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Article information

DOI
https://doi.org/10.1039/C1CC14117A
Article type
Communication
Submitted
08 Jul 2011
Accepted
04 Oct 2011
First published
17 Oct 2011

Chem. Commun., 2011,47, 12101-12103

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Stereo-isomerism controls surface reactivity: 1-chloropentane-pairs on Si(100)-2×1

K. R. Harikumar, I. R. McNab, J. C. Polanyi, A. Zabet-Khosousi, C. Panosetti and W. A. Hofer, Chem. Commun., 2011, 47, 12101 DOI: 10.1039/C1CC14117A

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