267
Carbodiimides. 15 N Chemical Shifts (δ in ppm relative to CH 3 NO 2 )
6.1.6 Compounds with N=O Bonds
Nitroso and Nitro Compounds. 15 N Chemical Shifts (δ in ppm relative
to CH 3 NO 2 )
Nitrosamines and Nitramines. 15 N Chemical Shifts (δ in ppm relative
to CH 3 NO 2 )
N C N
N C N
-274.8 (CHCl 3 )
+594.3 (CHCl 3 )
+601.3 (DMSO)
0.0
(neat)
-22.2
-32.4
-28.0
-22.0
-25.8
+10.2 (neat)
+11.4 (DMSO)
-220.2
(acetone)
-194.5
-201.0
-196.0
(acetone)
-215.8
(DMSO)
+18.2
(neat)
-148.7
(acetone)
-123.8
(neat)
-127.7
(neat)
-133.5
(CDCl 3 )
+155.2
+157.1
+161.0
+151.6
-9.8
(DMSO)
+524.5 (CHCl 3 )
+528.7 (DMSO)
-278.9 (CHCl 3 )
N
O
H 3 C NO 2
N
O
NO 2
NO 2
NO 2
N N
O
N N
O
N N
O
N N
O
NH
NO 2
N
NO 2
N
NO 2
N
NO 2
HN
NO 2
(DMSO)
(DMSO)
6.1 15 N NMR Spectroscopy