Journal
JOURNAL OF COMPUTATIONAL CHEMISTRY
Volume 32, Issue 10, Pages 2064-2076Publisher
WILEY-BLACKWELL
DOI: 10.1002/jcc.21784
Keywords
QTAIM; localization indices; delocalization indices; chemical bonding; solids; ELI
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Funding
- Deutsche Forschungsgemeinschaft [SPP 1178]
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The electron localization and delocalization indices obtained by the integration of exchange-correlation part of pair density over chemically meaningful regions of space, e. g., QTAIM atoms are valuable tools for the bonding analysis in molecular systems. However, among periodic systems only few simplest models were analyzed with this approach until now. This contribution reports implementation and evaluation of the localization and delocalization indices on the basis of solid state DFT calculations. A comparison with the results of simple analytical model of Ponec was made. In addition, a small set of compounds with ionic (NaCl), covalent (diamond, graphite), and metallic (Na, Cu) bonding interactions was characterized using this method. Typical features of different types of bonding were discussed using the delocalization indices. (C) 2011 Wiley Periodicals, Inc. J Comput Chem 32: 2064-2076, 2011
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