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Peculiarities of NMR spectra of heterospin complexes |
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| Authors: | Sagdeev R Z Voronov V K Podoplelov A V Ushakov I A Chemezov A N Fursova E Y Fokin S V Romanenko G V Reznikov V A Ovcharenko V I |
| Institution: | (1) International Tomography Center, Siberian Branch of the Russian Academy of Sciences, 3a ul. Institutskaya, 630090 Novosibirsk, Russian Federation;(2) Irkutsk State Technical University, 83 ul. Lermontova, 664074 Irkutsk, Russian Federation;(3) Novosibirsk State University, 2 ul. Pirogova, 630090 Novosibirsk, Russian Federation |
| Abstract: | Experimental investigation and theoretical simulation of the unusual phenomenon of multiple broadening and narrowing of NMR signals due to the temperature variation of a solution of the stereochemically non-rigid heterospin Ni2+ complex with stable nitroxide were performed. The investigation of the temperature dependence of the NMR signals of stereochemically non-rigid heterospin systems can be used for choosing conditions for growing heterospin single crystals containing molecules in a definite conformation. |
| Keywords: | NMR spectroscopy nickel chelate complexes nitroxides conformation equilibrium |
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