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preface to fifteenth edition

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SPECTROSCOPY 7.117<br />

TABLE 7.69 Fluorine-19 Chemical Shifts<br />

Values given in ppm on the scale, relative <strong>to</strong> CCl 3 F.<br />

Substituent group , ppm Substituent group , ppm<br />

9SO 2 9F<br />

67 <strong>to</strong> 42<br />

(aryl)(alkyl)<br />

9CO9F<br />

29 <strong>to</strong> 20<br />

N9CO9F<br />

5<br />

Aryl9CF 2 Cl 49<br />

9CF 2 I 56<br />

9CF 2 Br 63<br />

R9CF 2 Cl 61–71<br />

C9CF 3<br />

and aryl9CF 3<br />

56–73<br />

9CS9CF 3 70<br />

CF9CF 3 71–73<br />

9S9CF 3 41<br />

9S9CF 2 9S9 39<br />

P9CF 3 46–66<br />

N9CF 3 40–58<br />

N9CF 2<br />

9C 85–127<br />

9O9CF 2 9R 70–91<br />

9O9CF 2 9CF 3 70–91<br />

9CH 2 9CF 3 76–77<br />

HO9CO9CF 3 77<br />

9CHF9CF 3 81<br />

9CF 2 9CF 3 78–88<br />

9CS9F 81<br />

CF 3<br />

9C9N 84–96<br />

9CO9CF 2 9CF 3 83<br />

9CF 2 9 86–126<br />

9CF 2 Br 91<br />

9C9CF 2 9S9 91–98<br />

9CF" 180–192<br />

9CF 2 9CF 3 111<br />

9CO9CF 2 9 116–131<br />

9C(halide)9CF 2 9 119–128<br />

9CF 2 9CF 3 121–125<br />

9CF 2 9CF 2 9 121–129<br />

9CF 2 9CH 2 9 122–133<br />

9CF 2 9CHF 2 128–132<br />

9CF 2 H 136–143<br />

F 2<br />

151–156<br />

F 2<br />

147<br />

Cyclohexane-F 210<br />

(axial)<br />

<strong>to</strong><br />

240<br />

(equa<strong>to</strong>rial)<br />

Perfluorocycloalkane 131–138<br />

CF9CF 3 163–198<br />

CF(CF 3<br />

) 2<br />

180–191<br />

9CFH9 198–231<br />

9CFH 2 235–244<br />

F 2 C"CF 2 133<br />

CF 2<br />

9CF 2<br />

H<br />

F c<br />

F t<br />

C"C<br />

F g<br />

cis 108<br />

trans 92<br />

gem 192<br />

F 2<br />

F 3<br />

H C"C<br />

C"C H<br />

H F 1<br />

F-1 126<br />

F-2 155<br />

F-3 162<br />

ClFC"CH9CF 3 61<br />

Cycloalkenes<br />

"CF9CF 2 9<br />

C(CF 3 or H)9 101–113<br />

9CF 2 9CF 2 9<br />

C(CF 3 or CH 3 )" 110–114<br />

9CF 2 9CF 2 9CH" 113–116<br />

9CF 2 9CF 2 9CF" 119–122<br />

Aryl9F 113<br />

C 10 H 7 9F<br />

F-1 127<br />

F-2 114<br />

C 6 H 5 9C 6 H 4 9F<br />

F-2 117<br />

F-3 113<br />

F-4 109<br />

C 6 F 6 163<br />

F 2<br />

96–133<br />

F 159

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