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preface to fifteenth edition

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7.104 SECTION 7<br />

TABLE 7.52<br />

Substituent pair<br />

Estimation of Chemical Shifts of Carbon Attached <strong>to</strong> a Double Bond (Continued)<br />

Steric correction<br />

term<br />

, trans 0<br />

, cis 1.1<br />

, gem 4.8<br />

, 2.5<br />

, 2.3<br />

TABLE 7.53<br />

Carbon-13 Chemical Shifts in Substituted Benzenes<br />

128.5 <br />

C<br />

Substituent group C1 ortho meta para<br />

9CH 3 9.3 0.8 0.1 2.9<br />

9CH 2 CH 3 15.6 0.4 0 2.6<br />

9CH(CH 3 ) 2 20.2 2.5 0.1 2.4<br />

9C(CH 3 ) 3 22.4 3.1 0.1 2.9<br />

9CH 2 O9CO9CH 3 7.7 0 0 0<br />

9C 6 H 5 13.1 1.1 0.4 1.2<br />

9CH"CH 2 9.5 2.0 0.2 0.5<br />

9C#CH 6.1 3.8 0.4 0.2<br />

9CH 2 OH 12.3 1.4 1.4 1.4<br />

9CO9OH 2.1 1.5 0 5.1<br />

9COO (anion) 8 1 0 3<br />

9CO9OCH 3 2.1 1.1 0.1 4.5<br />

9CO9CH 3 9.1 0.1 0 4.2<br />

9CHO 8.6 1.3 0.6 5.5<br />

9CO9Cl 4.6 2.4 1 6.2<br />

9CO9CF 3 5.6 1.8 0.7 6.7<br />

9CO9C 6 H 5 9.4 1.7 0.2 3.6<br />

9CN 15.4 3.6 0.6 3.9<br />

9OH 26.9 12.7 1.4 7.3<br />

9OCH 3 31.4 14.0 1.0 7.7<br />

9OC 6 H 5 29.2 9.4 1.6 5.1<br />

9O9CO9CH 3 23.0 6.4 1.3 2.3<br />

9NH 2 18.0 13.3 0.9 9.8<br />

9N(CH 3 ) 2 22.4 15.7 0.8 11.5<br />

9N(C 6 H 5 ) 2 19 4 1 6<br />

9NHC 6 H 5 14.6 10.7 0.7 7.7<br />

9NH9CO9CH 3 11.1 9.9 0.2 5.6<br />

9NO 2 20.0 4.8 0.9 5.8<br />

9F 34.8 12.9 1.4 4.5<br />

9Cl 6.2 0.4 1.3 1.9<br />

9Br 5.5 3.4 1.7 1.6<br />

9I 32.2 9.9 2.6 1.4<br />

9CF 3 9.0 2.2 0.3 3.2<br />

9NCO 5.7 3.6 1.2 2.8<br />

9SH 2.3 1.1 1.1 3.1<br />

9SCH 3 10.2 1.8 0.4 3.6<br />

9SO 2 9NH 2 15.3 2.9 0.4 3.3<br />

9Si(CH 3 ) 3 13.4 4.4 1.1 1.1

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