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[null,"1.","Record Nr.",null,"UNINA9910455931603321"]
[null,null,"Autore",null,"Gallup Gordon A (Gordon Alban), <1927->"]
[null,null,"Titolo",null,"Valence bond methods : theory and applications / / Gordon A. Gallup [[electronic resource]]"]
[null,null,"Pubbl/distr/stampa",null,"Cambridge : , : Cambridge University Press, , 2002"]
[null,null,"ISBN",null,"1-107-12354-2"]
[{"$nulls":4},"0-511-17713-5"]
[{"$nulls":4},"0-511-30484-6"]
[{"$nulls":4},"0-521-02127-8"]
[{"$nulls":4},"1-280-43336-1"]
[{"$nulls":4},"0-511-53538-4"]
[{"$nulls":4},"0-511-15805-X"]
[{"$nulls":4},"9786610433360"]
[{"$nulls":4},"0-511-04387-2"]
[null,null,"Descrizione fisica",null,"1 online resource (xv, 238 pages) : digital, PDF file(s)"]
[null,null,"Disciplina",null,"541.2/24"]
[null,null,"Soggetti",null,"Valence (Theoretical chemistry)"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Note generali","Title from publisher's bibliographic system (viewed on 05 Oct 2015)."]
[null,null,null,"Nota di bibliografia","Includes bibliographical references (p. 231-233) and index."]
[null,null,"Nota di contenuto",null,"; Part I. Theory and Two-Electron Systems: -- . Introduction -- H2 and localised orbitals -- H2 and delocalised orbitals -- Three electrons in doublet states -- Advanced methods for larger molecules -- Spatial symmetry -- Varieties of valence bond treatments -- Physics of ionic structures -- ; Part II. Examples and Interpretations: -- Selection of structures and arrangement of bases -- Four simple three-electron systems -- Second row homonuclear diatomics -- Second row heteronuclear diatomics -- Methane, ethane and hybridization -- Rings of hydrogen atoms -- Aromatic compounds -- Interaction of molecular fragments -- Appendix."]
[null,null,null,"Sommario/riassunto","Valence bond theory is one of two commonly used methods in molecular quantum mechanics, the other is molecular orbital theory. This book focuses on the first of these methods, ab initio valence bond theory. The book is split into two parts. Part I gives simple examples of two-electron calculations and the necessary theory to extend these to larger systems. Part II gives a set of case studies of related molecule sets designed to show the nature of the valence bond description of "]
[{"$nulls":4},"molecular structure. It also highlights the stability of this description to varying basis sets. There are references to the CRUNCH computer program for molecular structure calculations which is currently available in the public domain. The book will be of primary interest to researchers and students working on electronic theory and computation in chemistry and chemical physics."]
[null,"2.","Record Nr.",null,"UNINA9910156320503321"]
[null,null,"Autore",null,"Moellering Jr R.C"]
[null,null,"Titolo",null,"Oral Cephalosporins / /  editor, R.C. Moellering Jr"]
[null,null,"Pubbl/distr/stampa",null,"Basel : , : S. Karger, , 1995"]
[null,null,"ISBN",null,"9783318032222"]
[{"$nulls":4},"3318032220"]
[null,null,"Edizione",null,"[1st ed.]"]
[null,null,"Descrizione fisica",null,"1 online resource (X + 190 pages) : :   13 figures, 44 tables"]
[null,null,"Collana",null,"Antibiotics and Chemotherapy, , 1662-2863 ; ; Vol.47"]
[null,null,"Disciplina",null,"615.5/8 s"]
[{"$nulls":4},"615/.32924"]
[null,null,"Soggetti",null,"Pharmacology"]
[{"$nulls":4},"Infectious Diseases"]
[{"$nulls":4},"Bacteriology"]
[{"$nulls":4},"Chemotherapy"]
[{"$nulls":4},"Pharmaceutics"]
[{"$nulls":4},"Pharmacokinetics"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Sommario/riassunto","This volume provides an excellent survey of the chemistry, microbiology, pharmacology and clinical use of the oral cephalosporins in general and the newer agents in particular. The cephalosporins have long provided satisfactory treatment for many disorders without causing serious side effects; and over the past fifty years forms with different antimicrobial, pharmacologic and toxicologic properties have been developed.  Despite the broad spectrum of their activity against a large variety of gram-positive and gram-negative bacteria, the third-generation oral cephalosporins including the prodrug esters do not work against Pseudomonas aeruginosa, methicillin-resistant staphylococci, enterococci or Bacteroides species. Many, however, are suitable for treating infections of the respiratory and urinary tracts and of the skin and its structure, as well as certain sexually-transmitted diseases. Authors consider other possible uses, against multi-resistant Enterobacteriaceae for instance, but also point out the limitations of the oral cephalosporins. For those working in the fields of infectious disease, bacteriology, chemotherapy, pharmaceutics and pharmacokinetics, this book is a valuable source of authoritative "]
[{"$nulls":4},"information."]