19FChemicalShiftsandCouplingConstantsIfyouhavemeasureda19Fchemicalshiftand/orcouplingconstantthatdoesnotappearinthetablesbelow,andyouwouldlikeyourmeasurementtobeincludedhere,contacttheNMRFacilityStaff.TableofChemicalShiftRangesTypeofCompoundChemicalShiftRange(ppm)RelativetoneatCFCl3-F-C=O-70to-20-CF3-+40to+80-CF2-+80to+140-CF-+140to+250-ArF-+80to+170ChemicalShiftTableForcertaincompounds,thelistedchemicalshiftpertainstotheFshowninbold.Theprimaryreferencesforthesevaluesare:the1991BrukerAlmanac,andCompilationofreportedF19NMRchemicalshifts,1951tomid-1967byClaudeH.DunganandJohnR.VanWazer.NegativeshiftsarethosethatappearupfieldofCFCl3andpositiveshiftsarethosethatappeardownfield.CompoundChemicalShift(ppm)RelativetoneatCFCl3CFCl30.00MeF-271.9CF3H(inCFCl3)-78.6CF3H(inEtO)-78.6CF2H2-143.6EtF-213FCH=CH2-114F2C=CH2-81.3F2C=CF2-135CF3COOH(inCFCl3)-76.55CF3COOH(neat)-78.5

CF3C00H(inCC14-76.3CF3C00C6H6-73.85CF3C00CH2C6H6-75.02CF3COOCH3-74.21CF3COOEt(neat)-78.7CF3C00(CH2)n-74to-75C6F6-164.9C6H5F-113.5p-FC6H4F-106.0CFH2Ph-207C6H5CF3-63.72C4F8-135.15C5F10-132.9CF3R-60to-70CHF2OR~-82(CF3)2CO-84.6CH2CN-251F2+422.92CF3C1-28.6ClF3+116,-4ClF5+247,+412CF2C12-8CFC12CFC12-67.8CFBr3+7.38CF2Br2+7IF4F(equatorial)+58.9IF7+170AsF3-40.6AsF5-66[AsF6]-l-69.5BF3-131.3(CH3)2O.BF3-158.3(C2H5)20.BF3-153[BeF4]-1-163MoF6-278ReF7+345SF6+57.42SO2F-78.5S205F2+47.2SbF5-108[SbF6]-1-109SeF6+55(C2H5)2SiF2-143.0SiF4-163.3[SiF6]-2-127TeF6-57WF6+166XeF2+258XeF4+438XeF6+550NF3147SOF275.68C6H5SO2F(dilute)65.464C6H5SO2F(20%cone)65.514SF6(dilute)57.617SF6(10%cone57.42SO2F233.17CBr3F(dilute)7.388CBr3F(80%cone)7.043CC12F2-6.848CC1F3-28.1PF3-34.0(CF3)3N(dilute)-55.969(CF3)3N(30%cone)-55.969CF3CF2CF2I-60.470CF4-62.3C6H5CF3(dilute)-63.732C6H5CF3(40%conc)-63.370PF5-71.5CC12F.CC12F(dilute)-67.775CC12F.CC12F(20%cone)-67.834(CF3)3CF-74.625CF3CO2H(dilute)-76.530CF3CO2H(20%cone)-76.542CF3(CF2)5CF3-81.60CF3(CF2)2CF3-81.85[CF3CF2CF2]N-85.19POF3-90.7CF3CF2CF2CF2CN-107.1CF3CF2CF2CF2CN-105.764HomonuclearCouplingsListedCouplingconstantvaluespertaintoFsshowninbold.CompoundCouplingConstant(Hz)(CF3CF2)2NCF310.2(CF3CF2)2NCF315.18(CF3CF2)2NCF36.8[CF3CF2]3N13.6CF3CF2N[CF3]2<1CF3CF2N[CF3]216CF3CF2N[CF3]26(CF3CF2)2O3.4(CF3]3CF1.4CF3CF2H2.8CF3CFH215.5CF3CF2CHF24.5CF3CF2CHF27.3CF3CF2CH2F15.2CF3CF2CH2F7.9CF2Cl.CF2.CH2F15.1CF2Cl.CF2.CH2F7.7

CF2Cl.CF2.CH2F3.9CF2Br.CF2.CH2F15.5CF2Br.CF2.CH2F7.7CF2Br.CF2.CH2F3.9CFFBr.CHFBr21CFFBr.CHFBr24CFFBr.CHFBr174CFFBr.CHFCl18CFFBr.CHFCl18CFFBr.CHFCl177CFFBr.CFClBr13CFFBr.CFClBr14CFFBr.CFClBr159CFF(SiCl3).CFClBr16.8CFF(SiCl3).CFClBr16.8CFF(SiCl3).CFClBr343CF3.CFF.CFIC1270.4CFF=CFCl76CFF=CFCl(cis)56CFF=CFCl(trans)116CFCl=CFCl(cis)37.5CFCl=CFCl(trans)129.57CFF=CFCF357CFF=CFCF3(cis)39CFF=CFCF3(trans)116CFF=CFCF3(trans)8CFF=CFCF3(cis)22CFF=CFCF313(cyclopropane)CH2.CFF.CHCH3157(cyclobutane)CH2.CFF.CCl2.CCl218