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Taschenbuch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - I Introduction: Assignment Criteria.- 1. Transition energy.- 2. Oscillator strength.- 3. Transition moment direction.- 4. Magnetic circular dichroism.- 5. Substituent effects.- 6. Less general criteria.- II Experimental Techniques.- 1. The stretched sheet method.- 2. Electric fields.- 3. Magnetic fields.- 4. Hydrodynamic shear.- 5. Crystal methods.- 6. Liquid crystal methods.- 7. Photoselection.- III Interpretation of the Observed Spectra.- 1. Vibronic interactions.- 2. Interpretation of LD-spectra. Absolute moment directions.- 3. The description of a partially oriented uniaxial sample.- 4. Determination of reduced spectra for symmetrical molecules.- 5. The orientation triangle.- 6. Orientation models.- 7. Interpretation of LD-data for low symmetry molecules.- 8. Identical chromophores in different molecules.- 9. Non-uniaxial samples.- 10. Interpretation of MCD-spectra.- IV Theoretical Models.- 1. The -electron approximation.- 2. Semiempirical calculations.- 3. Calculation of MCD B-terms. Alternant hydrocarbons.- 4. MCD of derivatives of alternant hydrocarbons.- 5. Summary.- V Examples of LD and MCD Spectra and Spectral Assignments.- 1. Fluoranthene.- 2. Thiophene.- 3. Acenaphthylene.- 4. p-Terphenyl.- VI Conclusions.- 1. The assignment process.- 2. Interpretation of LD spectra.- 3. Theoretical descriptions of electronic transitions.- 4. New applications of MCD spectroscopy.- Acknowledgment.- References.…

Taschenbuch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - Ordered systems exhibit physical properties and behavior unknown in media where structural ordering and organization do not take place. In ordered systems special correlations between molecules exist and the results are remarkable properties: the functional order of biological systems, the electrooptical and mechanical proper ties of liquid crystalline materials and stretched polymers are just a few examples. New methods and techniques in optical spectroscopy have recently been developed to study ordered systems and guest molecules. This stimulated the organization of a NATO Advanced Study Institute bringing together chemists and physicists from optical spectroscopy, materials science, and biology. Thereby a unifying and interdisciplinary survey of possible applications of spectroscopy with polarized light to ordered systems, such as liquid crystals, stretched polymers, polymeric liquid crystals, and membranes, was achieved. The interdisciplinary approach of the meeting is reflected in the book. Different aspects of the same topic are often treated in several chapters all through the book. Therefore, each reader should look for the contributions which serves his needs, even if this means that some chapters will be skipped. The Advanced Study Institute, 'New Developments in Polarized Spectroscopy of Ordered Systems', was the first scientific event of the celebrations of the 900th anniversary of the University of Bologna. The international and multidisciplinary approach of this ASI well converged in the tradition of the 'Studium' at Bologna.…

Bibl. Ex. mit der üblichen Signatur und Stempel, keine Markierungen-Anstreichungen-Notizen im Text, Hardcover, Format groß 8°, 578 Seiten, gut erhaltenes Buch , .---------Library-Ex with usual signature and stamps, text clean no markings, hardcover, 578 Seiten, good-very good condition, delivery on advance payment. Shipping to abroad insured with tracking number.…

Gebunden. Zustand: New. This book offers an elementary introduction to optical spectroscopy with polarized light. It is written at a level suitable for undergraduate students in chemistry and undergraduate or graduate students in related disciplines such as biochemistry, biology, .