Carbon-13 and tin-119 relaxation studies of some axially symmetrical organotin compounds |
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| Institution: | 1. Service Commun RMN, University of Rouen, 76130 Mont Saint Aignan, France;2. IUT of Rouen, BP 47, 76130 Mont Saint Aignan, France;1. Department of Chemistry, National Chung Hsing University, Taichung, 402, Taiwan;2. Department of Chemistry, Chung Yuan Christian University, Chung-Li, 32023, Taiwan;3. Technology Research Development, Plastic Industrial Development Center, Taichung, 407, Taiwan;1. Department of Chemistry, University of Pretoria, Private Bag X20, Hatfield 0028, Pretoria, South Africa;2. Laboratory of Inorganic Chemistry, Environmental and Chemical Engineering, University of Oulu, P.O. BOX 3000, FI-90014 Oulu, Finland |
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| Abstract: | We have studied a variety of axially symmetrical tin compounds by 119Sn and 13C NMR. Tin was observed at two field strengths and, except for Ph3SnCl, T1 is field independent and governed mainly by spin-rotation. A chemical-shift anisotropy of 136 ppm is observed for 119Sn in Ph3SnCl. Deverell's relationship provides a good estimate of the values of the spin-rotational constants and the theory of Woessner, Snowden, and Huntress leads to the values of the rotational diffusion constants. |
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