Download Multinuclear Magnetic Resonance in Liquids and Solids — by Gerard Van Koten (auth.), Pierre Granger, Robin K. Harris PDF

By Gerard Van Koten (auth.), Pierre Granger, Robin K. Harris (eds.)

The concept of this NATO tuition was once born in the course of philosophical discussions with Dr Brevard at the current and way forward for NMR in the course of an evening stroll less than the palm timber in Biskra in the course of a seminar held during this oasis. It was once transparent for us that the new growth within the box of NMR, specially inverse spectroscopy and the advance of MAS, was once establishing new views for chemists. We realised additionally that organometallic and inorganic chemists weren't essentially expert concerning the prospects of all of the new equipment. NA TO, with its summer season colleges, used to be supplying an exceptional chance to suggest to the chemical neighborhood a consultation the place these difficulties will be mostly developped. this college is then the prolongation of the 2 prior ones: Palermo in 1976 on "the much less receptive nuclei" and Stirling in 1982 on "the multinuclear method of NMR spectroscopy" . It was once divided into sub-sessions: NMR within the liquid country and NMR within the reliable country. this is often mirrored within the booklet association. As indicated via the identify of this college, we have been typically focused on the methodological features of multinuclear NMR. If many examples are given, they seem basically as a aid for the knowledge of the speculation or in rationalization of a few useful points of different experiments. every one area is brought via a lecture which offers chosen examples.

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As we have wo(, we can compare our result to the form of equation (1) to obtain Iff}. Similar equations are obtained for Mx and My. As an example we give the results for the dipole-dipole relaxation mechanism between two different nuclei A and X with spin In. and an autocorrelation function G(t) = exp( -tltC>. IffIA=(JJoI41t)2yA2yx2~2(Ifr6)(tcll0)· { I/[ 1+(rox-COA)2te2]+3/[I +COA2te2]+6/[I +(coX+coA)2te2]) We notice that under the extreme narrowing condition COAte« 1 or (COX-coA)te« 1. the last part is reduced to te.

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Notation: IIId = 7rJkl r. 2. 7 Transfonnations under transverse dipolar relaxation. Relaxation may have interesting effects as soon as different multiplet components decay with different rates.

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