Inorganic Rings and Polymers of the P-block Elements: From Fundamentals to Applications
Ring systems represent a very important branch of organic chemistry. Benzene is perhaps the pre-eminent example and provides the benchmark for the so-called aromatic character of cyclic systems. Cycloalkanes are another prominent class of organic compounds and these saturated ring systems form a homologous series known as alicyclics. Materials that are constructed from organic polymers such as polythene, polystyrene, polyisoprene (natural rubber) and polyvinyl chloride are common features of our daily lives. Most of these and related organic polymers are generated from acyclic precursors by free radical, anionic, cationic or organometallic polymerisation processes or by condensation reactions. The focus of this book is monocyclic inorganic ring systems of the p-block elements and the polymers that are, in many cases derived from them. Bicyclic or polycyclic arrangements are considered when they are closely related to those of monocyclic systems. Inorganic heterocycles that are more accurately described as coordination complexes of chelating inorganic ligands are included only when they are directly related to an inorganic homocycle or heterocycle by the replacement of one p-block element by a more metallic p-block element. After a short introductory chapter, the first half of the book is comprised of seven chapters that deal with the fundamentals of the subject intended for undergraduates or researchers who are unfamiliar with the topic, covering the following areas: - synthetic methods - characterisation techniques - delocalisation in inorganic rings - paramagnetic inorganic rings - inorganic macrocycles - ligand chemistry - inorganic polymers (general concepts including, synthesis, structure and bonding, characterisation methods, properties and applications) The final four chapters discuss in detail the chemistry of inorganic homo- and hetero-cycles involving the elements of groups 13-16 (the p-block elements). The focus is on relating the early seminal contributions to the field with exciting new developments. From the fundamental standpoint, novel structures and new bonding concepts are highlighted, in addition to synthetic approaches. This is the first book that addresses both the fundamental and applied aspects of inorganic ring systems through an emphasis of their use as precursors to inorganic polymers and other useful materials (e.g. semiconductors and ceramics). The book is intended primarily for senior undergraduates and graduate students in inorganic chemistry, as well research workers in the field of inorganic ring systems and polymers. At the undergraduate level it serves as a supplementary text to the more general inorganic chemistry text books and at the graduate level it would be the text of choice for a course in the area of inorganic rings and polymers.
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adduct Allg allotropes analogues Angew anion Anorg aryl bond lengths borazine boron cation chain chair conformation chalcogen Chem Chemistry Cl Cl Cl complexes compounds coordination cyclic sulfur cyclo-S8 cyclocondensation cyclophosphazenes Dalton Trans delocalisation derivatives dianion diﬀerent dimer E¼S eight-membered ring electron Engl example Figure ﬁrst formation four-membered rings group 14 elements halides heterocycles homocyclic homologous series Ian Manners inﬂuence Inorg inorganic heterocycles inorganic ring systems interactions involves isomers ligand macrocycle Molecular structures molecular weight molecules monomer nitrogen NMR spectroscopy obtained oligomers orbitals Organometallics oxidation p-block p-block elements p-electron Passmore phosphazene phosphorus planar pnictogen polymerisation polymers precursors radical reaction reagents Rings and Polymers S–S bond salt Scheme Section selenium signiﬁcant signiﬁcantly silicon SiMe3 six-membered ring species spectra spectroscopy stabilised Steudel structurally characterised substituents sulfur sulfur allotropes sulfur atoms sulfur–nitrogen synthesis tBu tBu tBu tellurium temperature tetramer thermal trimer Tristram Chivers unsaturated