Issue 3, 2009

Analyzing Kullback–Leibler information profiles: an indication of their chemical relevance

Abstract

The Kullback–Leibler information deficiency is evaluated along molecular internal rotational or vibrational coordinates and along the intrinsic reaction coordinate for several reactions (intra- and intermolecular proton transfer and SN2 reaction). For the first time an in depth analysis of the information deficiency along the reaction path is reported. The results are consistent with the Hammond postulate, indicating that the information profiles contain relevant chemical information. A local version of the information deficiency is defined by considering Hirshfeld’s partitioning of atoms in molecules. The analysis of the local information profiles permits the identification of the atoms taking part in the electron reorganization processes.

Graphical abstract: Analyzing Kullback–Leibler information profiles: an indication of their chemical relevance

Article information

Article type
Paper
Submitted
20 Aug 2008
Accepted
30 Sep 2008
First published
18 Nov 2008

Phys. Chem. Chem. Phys., 2009,11, 476-482

Analyzing Kullback–Leibler information profiles: an indication of their chemical relevance

A. Borgoo, P. Jaque, A. Toro-Labbé, C. Van Alsenoy and P. Geerlings, Phys. Chem. Chem. Phys., 2009, 11, 476 DOI: 10.1039/B814533D

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