Solution NMR of Paramagnetic Molecules : Applications to Metallobiomolecules and Models
著者
書誌事項
Solution NMR of Paramagnetic Molecules : Applications to Metallobiomolecules and Models
（Current methods in inorganic chemistry, v. 2）
Elsevier, c2001
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注記
Includes bibliographical references and index
内容説明・目次
内容説明
NMR is a growing technique which represents a generalized, spread, common tool for spectroscopy and for structural and dynamic investigation. Part of the field of competence of NMR is represented by molecules with unpaired electrons, which are called paramagnetic. The presence of unpaired electrons is at the same time a drawback (negative effect) and a precious source of information about structure and dynamics. New phenomena and effects are described which are due to the high magnetic fields and advances in the methodology. Solution NMR of Paramagnetic Molecules is unique in dealing with these matters. The scope is that of presenting a complete description, which is both rigorous and pictorial, of theory and experiments of NMR of paramagnetic molecules in solution. Pertinent examples are described. From the time dependent behaviour of electrons in the various metal ions including polimetallic systems to the hyperfine-based information, and from NMR experiments to constraints for solution structure determination. The book's major theme is how to perform high resolution NMR experiments and how to obtain structural and dynamic information on paramagnetic metal ion containing systems.
目次
Selected Contents. Introduction. The hyperfine shift. Relaxation. Chemical exchange, chemical equilibria and dynamics. Transition metal ions: shift and relaxation. Magnetic coupled systems. Nuclear Overhauser effect. Two-dimensional spectra and beyond. Hints on experimental techniques. Appendix I NMR properties of nuclei. Appendix II Dipolar coupling between two spins. Appendix III Derivation of the equations for contact shift and relaxation in a simple case. Appendix IV Derivation of pseudocontact shift in the case of axial symmetry. Appendix V Relaxation by dipolar interaction between two spins. Appendix VI Calculation of (Sz): Curie's law. Appendix VII Derivation of the equations related to NOE. Appendix VIII Magnetically coupled dimers in the high-temperature limit. Appendix IX Product operators: basic tools. Appendix X Reference tables. Subject index.
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