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preface to fifteenth edition

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SPECTROSCOPY 7.113<br />

TABLE 7.63<br />

Nitrogen-15 (or Nitrogen-14) Chemical Shifts (Continued)<br />

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

Isonitriles<br />

Alkyl, primary 162–178<br />

Alkyl, secondary 191–199<br />

Aryl ca 180<br />

Nitriles<br />

Alkyl 235–241<br />

Aryl 258–268<br />

Thiocyanates 265–280<br />

Diazonium<br />

Internal 222–230<br />

Terminal 315–322<br />

Diazo<br />

Internal 226–303<br />

Terminal 315–440<br />

Nitrilium ions 123–150<br />

Azinium ions 185–220<br />

Azine N-oxides 230–300<br />

Nitrones 270–285<br />

Imides 170–178<br />

Imines 310–359<br />

Oximes 340–380<br />

Nitramines<br />

Amine 252–280<br />

9NO 2 328–355<br />

Nitrates 310–353<br />

gem-Polynitroalkanes 310–353<br />

Nitro<br />

Aryl 350–382<br />

Alkyl 372–410<br />

Hetero, unsaturated 354–367<br />

Azoxy 330–356<br />

Azo 504–570<br />

Nitrosamines 222–250<br />

525–550<br />

Nitrites 555–582<br />

Thionitrites 720–790<br />

Nitroso<br />

Aliphatic amines, NO 535–560<br />

Aryl 804–913<br />

Saturated cyclic systems<br />

n 2 8.5<br />

n 3 25.3<br />

n 4 36.7<br />

n 5 37.7<br />

7.5<br />

(in C 6 H 6 )<br />

18.0<br />

(in H 2 O)<br />

32.1<br />

cis<br />

trans<br />

42.4<br />

52.9<br />

35.5<br />

Unsaturated cyclic systems

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