277
6.2 19 F NMR Spectroscopy
6.2 .1 19 F Chemical Shifts of Perfluoroalkanes (δ in ppm relative to
CFCl 3 )
-63
CF 4
F 3 C
CF 3
F 3 C
CF 2
F 3 C
F 3 C
CF 2
F 2 C
CF 3
F 3 C
CF 2
F 2 C
CF 2
F 3 C
F 3 C
CF 2
F 2 C
CF 2
F 2 C
CF 2
F 3 C
F 3 C
CF
F 3 C
CF 3
F 3 C
CF
F 2 C
CF 3
CF 3
-89
-83
-131
-83
-130
-82
-127
-123
-81
-126
-122
-85
-129
-125
-124
-75
-189
-73
-83
-116
-187
F 3 C
CF 2
F 2 C
CF 2
F 2 C
CF 3
F 3 C
F 3 C
CF 3
CF 3
-65
CF 3
F 3 C
F 3 C
CF 3
CF 3
F 3 C
-55
CF 2
CF 3
CF 3
CF 3
F 3 C
CF 3
F 3 C
-60
-97
F 3 C
CF
CF
CF 3
CF 3
F 3 C
-70
-179
F 3 C
CF 2
CF
CF 2
F 3 C
F 3 C
-80
-117
-184
-71
6.2 19 F NMR Spectroscopy