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1、INuclearMagneticResonanceSpectroscopy1IntroductionNuclearmagneticresonancespectroscopy,n.m.r.,isplayinganincreasinglyimportantpartinthestudyofinorganicandorganometallicchemistry.Someideaofitsimportancerelativetotheotherspectroscopictechniquescanbeobtainedfromthefactthatthischap
2、tercontainssome610referenceswhichplacesitnextinsizeafterthechaptersonvibrationalandelectronicspectroscopy.Aswouldbeexpected,protonn.m.r.providesmuchoftheexperimentalinformationbut,incontrasttotheorganicfield,manysig-nificantcontributionshavecomefromstudiesinvolvingdirectlythenu
3、clei2D,7Li,9Be,llB,13C,14N,170,19F,23Na?27Al7,?31Ps5Cl55Mn,and69C0.Indirectdouble-resonancetechniqueshave,inaddition,embraced29Si,lS5Pt,andlS9Hg.Thesubjectbreaksdownnaturallyintoaseriesoftopicswhicharedealtwithintheorder:Stereochemistryofcomplexes;dynamicsystems;adductsandsolve
4、ntefFects;bondingproblemsandcontactshifts;solid-staten.m.r.;boronandGroup111elements;fluorineandphosphorus;less-commonresonances.ThereisalsoanAppendixwhichlistscompoundswhichhavebeencharac-terisedbytheirn.m.r.spectrabutwhicharenotdiscussedelsewhereinthechapter.Asthelistindicate
5、s,technique-orientedtopicsarediscussedfirstandthesearefollowedbythoseinwhichthechemistryoftheelementformsthemaincohesivetheme.Onthisbasisthereisinevitablysomeoverlapbetweensectionsandsomearbitrarydecisionshavebeenmadeaboutwhereaparticularpapershouldgo.Ingeneral,paperswereplaced
6、wherethemostcoherentn.m.rstorywouldresult.TheorderwithinsectionsfollowstheorderofGroupsintheperiodictable.Althoughthissectionhasnecessarilybeenwrittensoastoemphasisetheapplicationsofn.m.r.toeachparticularproblem,itshouldbeborneinmindthatothertechniquesfrequentlyplayanimportantp
7、artandalloftheseshouldbeconsideredinabalancedappraisalofthework.Onlyafewbooksandreviewshavebeenpublishedduringtheyearontheapplicationofn.rn.r.toinorganicandorganometallicchemistry.Volume2of‘ProgressinNuclearMagneticResonanceSpectroscopy’hasappearedProg.N.M.R.Spectroscopy,1967,2
8、.2SpectroscopicPropertiesofInorganicandOrganometullicC