Ammonium Cations

Some articles on ammonium cations:

Onium Compounds - Onium Cations With Monovalent Substitutions
... primary ammonium cations, RH3N+ or RNH+ 3 (protonated primary amines) hydroxylammonium, NH3OH+ (protonated hydroxylamine) methylammonium, CH3NH+ 3 (protonat ... diazane) secondary ammonium cations, R2NH+ 2 (protonated secondary amines) dimethylammonium (sometimes dimethylaminium), (CH3)2NH+ 2 (protonated dimethylamine ...