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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Principles and Spectral Interpretation Peter Larkin. Center of symmetry Totally symmetric vibration Asymmetric H H H H C C C O O O O O O vibration Raman active IR active FIGURE 2.12 The center of symmetry for H2, CO2, and benzene. The ...
... symmetry operations are shown, other than that for a center of symmetry for an XY2 molecule such as water. These include those for a plane of symmetry, a two-fold rotational axis of symmetry, and an identity operation (needed for group ...
... symmetrical or (À1) antisymmetrical. symmetric modes (i.e., symmetric to all symmetry operations), whereas Q3 is symmetric with respect to the s /v operation but anti-symmetric with respect to the C2 and sv operations. The ...
... symmetry. A simple example is the CeH bending vibration in Cl3CeH molecule where the CeH bond can bend with equal frequency in two mutually perpendicular directions. The treatment of degenerate vibrations is more complex and will not be ...
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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 |