H. Kwart, K. King

d-Orbitals in the Chemistry of Silicon, Phosphorus and Sulfur (eBook, PDF)

• Format: PDF

Produktbeschreibung

This book was undertaken for the purpose of bringing together the widely diverse lines of experimental work and thinking which has been expressed but has often been unheard on the title question. It will be clear to the reader that a critical viewpoint has been maintained in assembling the material of this rapidly expanding area of concern to organic chemists. It should be clear, too, that the authors are not purvey ing a singular viewpoint and do not regard the discussions presented as the ultimate word on the subject. In fact, it should be anticipated that many ofthe viewpoints pre sented may have to be altered in the light of new developments. In recognition of this and to show the wayan appendix of recent results and interpretation has been included where an alteration in viewpoint on some of the material treated in the text has been necessitated by developments in the most recent literature. This ap pendix should be regarded as the reader's opportunity to maintain currency in all aspects of this subject ifit is kept abreast of the literature. The bibliography, from which most of the material of discussion has been drawn, is organized in a somewhat unusual manner which deserves some explana tion here. A reference citation can consist of (as much as) a six space combination of letters and numerals.

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Produktdetails

• Verlag: Springer Berlin Heidelberg
• Seitenzahl: 222
• Erscheinungstermin: 6. Dezember 2012
• Englisch
• ISBN-13: 9783642463426
• Artikelnr.: 53389888

Inhaltsangabe

I. Introduction - d?-vs. d? Bonding.- II. Theoretical Basis for d-Orbital Involvement.- A. Geometry of Bonding Orbitals.- B. Size of d-Orbitals.- C. Effect of Electronegative Ligands.- D. Energies of d-Orbitals.- E. Alternate Explanations for d? and d? Bonding.- F. d? Delocalized Bonding.- III. Physical Properties Related to dp-? Bonding.- A. Bond Lengths and Angles.- B. Infrared Spectra.- C. NMR and Related Indices.- D. UV, ESR and Dipole Moments.- IV. The Effects of dp-? Bonding on Chemical Properties and Reactivity.- A. Acidity-Basicity.- B. Electrophilic Aromatic Substitution.- C. Alpha-Sulfonyl and -Sulfinyl Carbanions.- D. Alpha-Thio Carbanions.- E. Thiazolium Ylides.- F. Addition to Conjugated Carbon-Carbon Double Bonds.- G. Survey of Relevant Articles Sections IV A-IV F.- V. Pentacovalency.- A. The Pentavalent State in Organic Chemistry.- B. dp-? Bonding in Phosphate Hydrolysis.- C. Pentavalent Intermediates in Phosphate Hydrolysis.- D. Pentacoordinate Sulfur Intermediates.- E. Pentacoordinate Silicon Intermediates.- F. Synthetic Applications of Pentacoordinate Intermediates.- VI. References.- VII. Appendix of Recent Results and Interpretations.- VIII. Index of Authors and References.- IX. Index of Reference - Page Citations.- X. Subject Index.