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Temperature dependent 15N NMR study of nitric oxide
Arafat H Khan1, Dieter Michel1, Marko Bertmer1
1Felix Bloch Institute for Solid State Physics, Leipzig University, Leipzig, Germany.
Abstract:
For the first time, 15N NMR data are obtained for a sample of nitric oxide at various temperatures. Spectra have been obtained in the liquid and solid state. In the former, the chemical shift as well as the spin-lattice relaxation time is characterized by the dynamic equilibrium of the dimerization reaction. Only the signal of the (NO)2 dimer is observed, while the paramagnetic NO has strong influences on the NMR parameter. From T1 relaxation and linewidth analysis a range for the correlation time of the exchange between monomer and dimer is obtained. SQUID measurements corroborate the NMR analysis.
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