Infrared and Raman Spectroscopy: Principles and Spectral InterpretationElsevier, 13 juil. 2011 - 230 pages Infrared and Raman Spectroscopy: Principles and Spectral Interpretation explains the background, core principles and tests the readers understanding of the important techniques of Infrared and Raman Spectroscopy. These techniques are used by chemists, environmental scientists, forensic scientists etc to identify unknown chemicals. In the case of an organic chemist these tools are part of an armory of techniques that enable them to conclusively prove what compound they have made, which is essential for those being used in medical applications. The book reviews basic principles, instrumentation, sampling methods, quantitative analysis, origin of group frequencies and qualitative interpretation using generalized Infrared (IR) and Raman spectra. An extensive use of graphics is used to describe the basic principles of vibrational spectroscopy and the origins of group frequencies, with over 100 fully interpreted FT-IR and FT-Raman spectra included and indexed to the relevant qualitative interpretation chapter. A final chapter with forty four unknown spectra and with a corresponding answer key is included to test the readers understanding. Tables of frequencies (peaks) for both infrared and Raman spectra are provided at key points in the book and will act as a useful reference resource for those involve interpreting spectra. This book provides a solid introduction to vibrational spectroscopy with an emphasis placed upon developing critical interpretation skills. Ideal for those using and analyzing IR and Raman spectra in their laboratories as well as those using the techniques in the field.
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À l'intérieur du livre
Résultats 1-5 sur 36
... shown in Fig. 1.1. These regions can be roughly divided as follows: • XeH stretch (str) highest frequencies ... represented by steel balls and the interatomic bonds by helical springs. A ball and spring molecular model would be suspended ...
... Shown in Fig. 1.2 is the correlation chart for CH3, CH2, and CH stretch IR bands. The subsequent development of double beam IR instrumentation and IR correlation charts resulted in widespread use of IR spectroscopy as a structural ...
... shown in Fig. 2.2. Typically the rotational (Erot), vibrational (Evib), or electronic (Eel) energy of molecule is changed by 6E: DE 1⁄4 Ep 1⁄4 hn 1⁄4 hcn FIGURE 2.2 Absorption of electromagnetic radiation. In the absorption of a photon ...
... described as an inelastic collision between photon and molecule, since the molecule acquires different vibrational energy ðnmÞ and the scattered photon now has different energy and frequency. As shown in Fig. 2.10 two types of Raman ...
... shown in Fig. 2.11a. The polarizability a of the molecule has a certain magnitude whose value can vary slightly with time at the much slower molecular vibrational frequency nm, as shown in Fig. 2.11b. The result is seen in Fig. 2.11c ...
Table des matières
| 1 | |
| 7 | |
| 27 | |
Chapter 4 Environmental Dependence of Vibrational Spectra | 55 |
Chapter 5 Origin of Group Frequencies | 63 |
Characteristic Group Frequencies | 73 |
Chapter 7 General Outline and Strategies for IR and Raman Spectral Interpretation | 117 |
Chapter 8 Illustrated IR and Raman Spectra Demonstrating Important Functional Groups | 135 |
Chapter 9 Unknown IR and Raman Spectra | 177 |
Appendix IR Correlation Charts | 213 |
Index | 217 |
Autres éditions - Tout afficher
Infrared and Raman Spectroscopy: Principles and Spectral Interpretation Peter Larkin Aucun aperçu disponible - 2017 |
Infrared and Raman Spectroscopy: Principles and Spectral Interpretation Peter J. Larkin Aucun aperçu disponible - 2011 |