Aromaticity And Metal Clusters

AROMATICITY and METAL CLUSTERS ATOMS, MOLECULES, AND CLUSTERS Structure, Reactivity, and Dynamics Series Editor: Pratim Kumar Chattaraj Aromaticity and Metal Clusters Edited by Pratim Kumar Chattaraj Quantum Trajectories Edited by Pratim Kumar Chattaraj ATOMS, MOLECULES, AND CLUSTERS Structure, Reactivity, and Dynamics AROMATICITY and METAL CLUSTERS Edited by Pratim Kumar Chattaraj Boca Raton London New York CRC Press is an imprint of the Taylor & Francis Group, an informa business CRC Press Taylor & Francis Group 6000 Broken Sound Parkway NW, Suite 300 Boca Raton, FL 33487-2742 © 2011 by Taylor and Francis Group, LLC CRC Press is an imprint of Taylor & Francis Group, an Informa business No claim to original U.S. Government works Printed in the United States of America on acid-free paper 10 9 8 7 6 5 4 3 2 1 International Standard Book Number-13: 978-1-4398-1335-5 (Ebook-PDF) This book contains information obtained from authentic and highly regarded sources. Reasonable efforts have been made to publish reliable data and information, but the author and publisher cannot assume responsibility for the validity of all materials or the consequences of their use. The authors and publishers have attempted to trace the copyright holders of all material reproduced in this publication and apologize to copyright holders if permission to publish in this form has not been obtained. If any copyright material has not been acknowledged please write and let us know so we may rectify in any future reprint. Except as permitted under U.S. Copyright Law, no part of this book may be reprinted, reproduced, transmitted, or utilized in any form by any electronic, mechanical, or other means, now known or hereafter invented, including photocopying, microfilming, and recording, or in any information storage or retrieval system, without written permission from the publishers. For permission to photocopy or use material electronically from this work, please access www.copyright. com (http://www.copyright.com/) or contact the Copyright Clearance Center, Inc. (CCC), 222 Rosewood Drive, Danvers, MA 01923, 978-750-8400. CCC is a not-for-profit organization that provides licenses and registration for a variety of users. For organizations that have been granted a photocopy license by the CCC, a separate system of payment has been arranged. Trademark Notice: Product or corporate names may be trademarks or registered trademarks, and are used only for identification and explanation without intent to infringe. Visit the Taylor & Francis Web site at http://www.taylorandfrancis.com and the CRC Press Web site at http://www.crcpress.com Contents Foreword....................................................................................................................ix Series Preface.............................................................................................................xi Preface.................................................................................................................... xiii Editor........................................................................................................................ xv Contributors............................................................................................................xvii Chapter 1. Aromaticity: From Benzene to Atomic Clusters...................................1 Sandeep Nigam and Chiranjib Majumder Chapter 2. On the Measures of Aromaticity......................................................... 31 G. Narahari Sastry, P. Venuvanalingam, and P. Kolandaivel Chapter 3. Aromaticity in Metals: From Clusters to Solids................................. 55 Alina P. Sergeeva and Alexander I. Boldyrev Chapter 4. Computational Studies on Molecules with Unusual Aromaticity: What to Expect?...........................