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Record Nr. |
UNINA9910139364503321 |
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Autore |
Laurence Christian |
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Titolo |
Lewis basicity and affinity scales [[electronic resource] ] : data and measurement / / Christian Laurence, Jean-Franc ʹois Gal |
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Pubbl/distr/stampa |
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Chichester, : Wiley, 2010 |
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ISBN |
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1-282-68724-7 |
9786612687242 |
0-470-68190-X |
0-470-68189-6 |
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Descrizione fisica |
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1 online resource (490 p.) |
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Altri autori (Persone) |
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Disciplina |
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Soggetti |
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Lewis acids |
Chemistry |
Electronic books. |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Description based upon print version of record. |
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Nota di contenuto |
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Lewis Basicity and Affinity Scales; Contents; Preface; 1 Lewis Basicity and Affinity Measurement: Definitions and Context; 1.1 The Br ̈onsted Definition of Acids and Bases; 1.2 Scales of Br ̈onsted Basicity and Affinity in Solution; 1.3 Scales of Br ̈onsted Basicity and Affinity in the Gas Phase; 1.4 The Lewis Definition of Acids and Bases; 1.5 Quantum Chemical Descriptions of Lewis Acid/Base Complexes; 1.5.1 Valence-Bond Model; 1.5.2 Perturbation Molecular Orbital Theory; 1.5.3 Variational Supermolecular Method and Energy Decomposition Schemes; 1.5.4 Natural Bond Orbital Theory |
1.5.5 Quantum Theory of Atoms in Molecules1.6 Measurement of Lewis Basicity; 1.6.1 Gas-phase Reactions; 1.6.2 Solution Reactions; 1.6.3 Standard State Transformations; 1.6.4 Choice of Solvent; 1.7 Measurement of Lewis Affinity; 1.8 The Role of the Solvent; 1.9 Spectroscopic Scales of Basicity (Affinity); 1.10 Polybasic Compounds; 1.11 Attempts at a Quantitative Formulation of the Lewis Definition of Acids and Bases; 1.11.1 Hard and Soft Acids and Bases; 1.11.2 The ECW |
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and ECT Models; 1.11.3 The Beta and Xi Equation; 1.11.4 A Chemometric Approach |
1.11.5 Quantum Chemical Descriptors for Basicity Scales1.12 Concluding Remarks and Content of Chapters 2-7; References; 2 The Donor Number or SbCl5 Affinity Scale; 2.1 Structure of SbCl5 Complexes; 2.2 Definition of the Donor Number Scale; 2.3 Experimental Determination of the Donor Number; 2.4 The Donor Number Scale: Data; 2.5 Critical Discussion; References; 3 The BF3 Affinity Scale; 3.1 Structure of BF3 Complexes; 3.2 Definition of the BF3 Affinity Scale; 3.3 Experimental Determination of the BF3 Affinity Scale; 3.4 The BF3 Affinity Scale: Data; 3.5 Discussion; 3.5.1 Medium Effects |
3.5.2 Hardness of BF33.5.3 Comparison of the BF3 and SbCl5 Affinity Scales; 3.5.4 Computation of the BF3 Affinity; 3.6 Conclusion; References; 4 Thermodynamic and Spectroscopic Scales of Hydrogen-Bond Basicity and Affinity; 4.1 Structure of Hydrogen-Bonded Complexes; 4.2 Hydrogen-Bond Basicity Scales: Early Works; 4.3 The 4-Fluorophenol Hydrogen-Bond Basicity Scale; 4.3.1 Definition; 4.3.2 Method of Determination; 4.3.3 Polyfunctional Hydrogen-Bond Acceptors; 4.3.4 Data; 4.3.5 Range of Validity of the Scale; 4.4 Hydrogen-Bond Affinity Scales: Early Studies |
4.5 The 4-Fluorophenol Affinity Scale4.6 Comparison of 4-Fluorophenol Affinity and Basicity Scales; 4.7 Spectroscopic Scales; 4.7.1 Infrared Shift of Methanol; 4.7.2 Solvatochromic Shifts of 4-Nitrophenol and 4-Nitroaniline; 4.8 Conclusion; References; 5 Thermodynamic and Spectroscopic Scales of Halogen-Bond Basicity and Affinity; 5.1 Structure of Halogen-Bonded Complexes; 5.2 The Diiodine Basicity Scale; 5.2.1 Definition of the Scale; 5.2.2 Methods for the Determination of Diiodine Complexation Constants; 5.2.3 Temperature Correction; 5.2.4 Solvent Effects; 5.2.5 Data |
5.3 Is the Diiodine Basicity Scale a General Halogen-Bond Basicity Scale? |
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Sommario/riassunto |
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The Lewis concept of acids and bases is discussed in every general, organic and inorganic chemistry textbook. This is usually just a descriptive treatment, as it is not possible to devise a single numerical scale suitable for all occasions. However quantitative Lewis acid-base chemistry can be developed by compiling reaction-specific basicity scales which can be used in specific branches of chemistry and biochemistry. Lewis Basicity and Affinity Scales: Data and Measurementbrings together for the first time a comprehensive range of Lewis basicity/affinity data in one volume. More t |
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2. |
Record Nr. |
UNISA996234832203316 |
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Autore |
Homerus |
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Titolo |
Homers Ilias : Gesamtkommentar, auf der Grundlage der Ausgabe von Ameis-Hentze-Cauer (1868-1913). Text und Übersetzung / / Joachim Latacz |
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Pubbl/distr/stampa |
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Berlin ; ; Boston : , : De Gruyter, , [2015] |
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©2015 |
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ISBN |
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3-11-040709-4 |
3-11-040721-3 |
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Descrizione fisica |
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1 online resource (52 p.) |
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Collana |
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Sammlung wissenschaftlicher Commentare (SWC) |
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Altri autori (Persone) |
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LataczJoachim |
WestMartin L |
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Disciplina |
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Soggetti |
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Epic poetry, Greek - Criticism, Textual |
Epic poetry, Greek - History and criticism |
Trojan War - Literature and the war |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Description based upon print version of record. |
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Nota di contenuto |
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Frontmatter -- Inhalt -- Zum Text -- Ilias 14 (Text und Übersetzung) |
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