Download e-book for iPad: Chemistry of Tin by P. G. Harrison (auth.), Peter J. Smith (eds.)

By P. G. Harrison (auth.), Peter J. Smith (eds.)

ISBN-10: 940106072X

ISBN-13: 9789401060721

ISBN-10: 9401149380

ISBN-13: 9789401149389

In universal with the editor of the 1st variation, my very own own involvement with tin chemistry all started whilst I had the privilege of learning for a PhD measure lower than the supervision of Professor Alwyn G. Davies FRS at collage university London (UCL) nearly precisely 30 years in the past. Then, following 21 years' provider with the overseas Tin study Institute, it was once a superb excitement for me while the wheel grew to become complete circle and, in 1994, Alwyn - now an Emeritus Professor - requested me to come back to UCL as an Honorary learn Fellow within the Chemistry division. one in every of my first projects was once whilst I got a call for participation from Blackie A&P to edit the second one version of the Chemistry of Tin, which i used to be thrilled to just accept, because it enabled me to endured my life-long curiosity in tin chemistry and to take care of touch with my former pals and associates, lots of whom have contributed to this book.

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Cryst. Mol. , 3, 285. 30 CHEMISTR Y OF TIN 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. 32. 33. 34. 35. 36. 37. 38. 39. 40. 1. C. (1980) J. Organornet. , 185, 199. , Wei, C. etal. (l987)J. Organornet. , 322, 163. , Pelizzi, C. and Pelizzi, G. (1977) J. Organornet. , 125, 161. , Chandrasekhar, V. et al. (1988) J. Am. Chern. , 110, 1168. , Bino, A. et a!. (1985) lnorg. , 24, 2301. O. R. (1981) J. Am. Chern. , 103,1264; (1981) lnorg. , 20, 3076. G. K. (1987) J. Organornet.

C. (1973) lnorg. , 12,930. distances in Sn(CF3)4 are lengthened by 6 pm compared with those in SnMe4 [144]. However, the tin atoms in compounds containing four tin-carbon bonds appear to be reluctant to form higher coordination numbers. Although the complex Me3SnCF3┬ĚP(NMe2)3 has been reported [145], tetraorganostannanes, R 4Sn, do not in general form donor-acceptor complexes with Lewis bases. Two five-coordinated examples, (22) [146] and (23) [147] and one six-coordinated example (24) [148] with four tin-carbon bonds, all involving intramolecular N --7 Sn coordination, have been characterized.

3 I Me. 4) in which the tin atoms enjoy almost perfect octahedral coordination with only a small tetragonal distortion [215]. Tin(IV) sulphide and selenide both crystallize with the hexagonal CdI 2 layer lattice also with six-coordinated tin [216], and many polytypes have been characterized [217-219]. The structures adopted by stannates are profoundly different to those of silicates and germanates, in spite of the similarity in stoichiometries. Tin is in general six-coordinated in a regular or slightly distorted octahedral fashion by oxygen atoms, although four- and five-coordination do occur.

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Chemistry of Tin by P. G. Harrison (auth.), Peter J. Smith (eds.)

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