Chapter 6-29Si NMR Spectroscopy of Organosilicon Compounds (p 267-354)

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1、TheChemistryofOrganicSiliconCompounds.Volume2EditedbyZviRappoportandYitzhakApeloigCopyright¶1998JohnWiley&Sons,Ltd.ISBN:0-471-96757-2CHAPTER629SiNMRspectroscopyoforganosiliconcompoundsYOSHITOTAKEUCHIDepartmentofChemistry,FacultyofScience,KanagawaUniversity,2946Tsuchiya,Hir

2、atsuka,Japan259-12Fax:C81463589684;e-mail:yoshito@info.kanagawa-u.ac.jpandTOSHIOTAKAYAMADepartmentofAppliedChemistry,FacultyofEngineering,KanagawaUniversity,3-27-1Rokkakubashi,Yokohama,Japan221Fax:C81454139770;e-mail:takayama@cc.kanagawa-u.ac.jpI.INTRODUCTION..............

3、........................268II.NEWTECHNIQUES....................................269A.ModernPulseSequences...............................269B.CombinationofNMRandOtherTechniques..................275III.NEWCOMPOUNDS....................................277A.SomeInterestingCompou

4、nds............................277B.SiliceniumIons.....................................280C.CompoundswithHypervalentSiNuclei.....................284D.OrganicallyModifiedSilicates............................290IV.NMRPARAMETERS...................................293A.Theoryof2

5、9SiNMRParameters..........................293B.CouplingConstants...................................296C.RelaxationTimesandExchangePhenomena..................306V.SOLID-STATE29SiNMR.................................309A.Introduction........................................309

6、B.NewTechniques.....................................311C.NMRandX-rayStudies................................315D.RelaxationTimes....................................325E.Dynamics.........................................329267268YoshitoTakeuchiandToshioTakayamaF.HypervalentSi

7、licon...................................334G.Miscellaneous......................................343VI.REFERENCES........................................350I.INTRODUCTIONApartfrom1Hand13CNMR29SiisoneofthemostfrequentlyusedmethodforNMRspectroscopy.Thenaturalabundanceis4.7%,a

8、nditsgyromagneticratiois
5.314(107radianT
1s
1),whichisaboutone-fifthofthatoftheproton.Hen