Table 2.2.1C chemical shift ranges for organic compounds 200 150 O(TMS) Carbenlum-lons Ketones Aldehydes Acetals.Ketals Quinones Carboxylic acids and derivs. Thioureas Ureas.Carbonates Oximes Imines Cyanides Thiocyanates tsocyanates Cyanates Carbodimides Heteroaromatics Aromatics (Cyclo-)Alkenes -1-M-sub (Cyclo-)Alkynes (Cyclo-)Alkanes R3C-0- R3C-NR2 RaC-S- R3C-Halogen R2CH-0- R2CH-NR2 R2CH-S- R2CH-Haloger H3C-0 HgC-NR2 H3C-S- H3C-Halogen Alkyi bonded to meta 200 150 100 O (TMS