1H NMR Studies on Cationic Motions in Solid tert-Butylammonium Hexachlorostannate(IV)

Hiroyuki Ishida; Tatsuo Higashiyama; Naomi Hayama; Ryuichi Ikeda

doi:10.1515/zna-1992-1013

1H NMR Studies on Cationic Motions in Solid tert-Butylammonium Hexachlorostannate(IV)

Hiroyuki Ishida, Tatsuo Higashiyama, Naomi Hayama, Ryuichi Ikeda

School of Science

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

The temperature dependences of the 1H spin-lattice relaxation time (T1) and the second moment (M2) of 1H NMR absorptions were measured for anhydrous tert-butylammonium hexachloro-stannate(IV) and its partially deuterated analogs [(CD3)3CNH3]2SnCl6 and [(CH3)3CND3]2SnCl6. Three kinds of cationic motions were revealed: the reorientations of the CH3 group about their C-C bonds, the NH3 group about its C-N bond, and the tert-butyl group about the C-N bond. Their motional parameters were determined. Among the three motions, the NH3 motion occurs at the lowest temperature with quite a small activation energy (9.9–10.0 kJ mol−1).

Original language	English
Pages (from-to)	1087-1090
Number of pages	4
Journal	Zeitschrift fur Naturforschung - Section A Journal of Physical Sciences
Volume	47
Issue number	10
DOIs	https://doi.org/10.1515/zna-1992-1013
Publication status	Published - Oct 1 1992

ASJC Scopus subject areas

Mathematical Physics
Physics and Astronomy(all)
Physical and Theoretical Chemistry

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abstract = "The temperature dependences of the 1H spin-lattice relaxation time (T1) and the second moment (M2) of 1H NMR absorptions were measured for anhydrous tert-butylammonium hexachloro-stannate(IV) and its partially deuterated analogs [(CD3)3CNH3]2SnCl6 and [(CH3)3CND3]2SnCl6. Three kinds of cationic motions were revealed: the reorientations of the CH3 group about their C-C bonds, the NH3 group about its C-N bond, and the tert-butyl group about the C-N bond. Their motional parameters were determined. Among the three motions, the NH3 motion occurs at the lowest temperature with quite a small activation energy (9.9–10.0 kJ mol−1).",

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AU - Hayama, Naomi

AU - Ikeda, Ryuichi

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1H NMR Studies on Cationic Motions in Solid tert-Butylammonium Hexachlorostannate(IV)

Abstract

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