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Published by
World Scientific Publishing Co. Pte. Ltd.
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USA office: 27 Warren Street, Suite 401-402, Hackensack, NJ 07601
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British Library Cataloguing-in-Publication Data
A catalogue record for this book is available from the British Library.
A GUIDE TO CHALCOGEN-NITROGEN CHEMISTRY
Copyright © 2005 by World Scientific Publishing Co. Pte. Ltd.
All rights reserved. This book, or parts thereof, may not be reproduced in any form or by any means,
electronic or mechanical, including photocopying, recording or any information storage and retrieval
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For photocopying of material in this volume, please pay a copying fee through the Copyright
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ISBN 981-256-095-5
ISBN 981-256-133-1 (pbk)
Printed in Singapore.
Preface
The quintessential chalcogen-pound tetrasulfur tetranitride,
S4N4, was first detected by Gregory in 1835 just ten years after the
discovery of benzene. Its unusual structure, like that of benzene, was not
elucidated for over 100 years. The application of diffraction techniques
revealed the unusual cage arrangement with two weak cross-ring sulfur–
sulfur interactions. The details of the electronic structure of this
fascinating molecule are still a matter of debate today.
Pioneering work in Germany, especially by the groups of Becke-
Goehring, Weiss and Glemser, in the middle of the previous century
uncovered a rich chemistry for anic sulfur–nitrogen systems. Their
early efforts were notable because of the unavailability of many modern
physical techniques for structural characterization that monplace
today. The book by Goehring entitled “E