| 1 | Author
| Hiroyuki Ishida | Requires cookie* | | Title
| H NMR Study of Ionic Motions in High Temperature Solid Phases of (CH 3 NH 3 ) 2 ZnCl 4  | | | Abstract
| The reorientation of the tetrahedral complex anion ZnCl 4 2-and the self-diffusion of the cation in (CH 3 NH3) 2 ZnCl4 were studied by 'H NMR spin-lattice relaxation time ('H T X) experiments. In the second highest-temperature phase, the temperature dependence of *H T X observed at 8.5 MHz could be explained by a magnetic dipolar-electric quadrupolar cross relaxation between 'H and chlorine nuclei, and the activation energy of the anion motion was determined to be 105 kJ mol -1 . In the highest-temperature phase, the activation energy of the self-diffusion of the cation was determined to be 58 kJ mol -1 from the temperature and frequency dependence of 'H T X . | | |
Reference
| Z. Naturforsch. 55a, 412—114 (2000); received January 8 2000 | | |
Published
| 2000 | | |
Keywords
| Nuclear Magnetic Resonance, Molecular Motion, Cross Relaxation, (C^N^^ZnCfj | | |
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| default:Reihe_A/55/ZNA-2000-55a-0412.pdf | | | Identifier
| ZNA-2000-55a-0412 | | | Volume
| 55 | |
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