| EPSRC Reference: |
GR/R17379/01 |
| Title: |
Structural Studies of Mobile Systems Using Solid-State Nmr |
| Principal Investigator: |
Hodgkinson, Professor P |
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| Department: |
Chemistry |
| Organisation: |
Durham, University of |
| Scheme: |
Fast Stream |
| Starts: |
01 May 2001 |
Ends: |
31 October 2003 |
Value (£): |
52,528
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Summary on Grant Application Form |
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The molecules in many solid materials are surprisingly mobile, making such systems difficult to characterise using diffraction-based methods. Solid-state NMR, however, can potentially provide detailed structural information through measurement of the interactions (dipolar couplings) between NMR-active nuclei such as 13C, 1H and 19F.Tunnel inclusion compounds where a guest molecule (e.g. an alkane) is included inside a framework of tunnels formed by a host, such as urea, are a good example of mobile solid systems. If the guest molecules are sufficiently well-isolated, it becomes possible to extract multiple dipolar couplings (and hence distance measurements) from the NMR spectra. We propose using 13C NMR of single crystals of such tunnel compounds to obtain detailed information on the conformation of the guest molecules.In the process, we intend to develop methods for efficient proton 'decoupling' (a pre-requisite for high-resolution 13C spectra) and for the assignment of their 13C spectra to allow peaks in the 13C NMR spectrum to be unambiguously identified with particular carbon atoms in the molecule.
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Key Findings |
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Potential use in non-academic contexts |
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Impacts |
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| Description |
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Sectors submitted by the Researcher |
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