:For splitting the article you need two conditions. 1. Dipolar compounds are not zwitterions 2. Zwitterions are not dipolar compounds. The first condition is partly not true; the second one in fact not at all, if you take the term literally. Zwitterions have two poles. In fact, you can also call water a dipolar compound! The only difference is that it is a partial charge, but it has an electric dipole moment. So the suggested name "neutral polar compound" is not so bad. The title Zwitterion is not good at all, because it is a misnomer. And again the question, Do dipolar compounds without delocalized charges have a canonical form? The Gold Book definition does not give examples.