Patent ID: 7906235

Claim:
Ionic compound comprising at least one anionic part associated to at least one cationic part M in sufficient number to ensure the electronic neutrality of the whole, characterized in that M is a hydroxonium, a nitrosonium NO + , an ammonium NH 4 + , a metallic cation having a valency m, an organic cation having a valency m or an organometallic cation having a valency m, and in that the anionic part is pentacyclic and corresponds to the following formula: in which: —X 1 — and —X 3 — are —C(SO 2 F)═ or —C − (SO 2 F)— groups; and —X 2 —, X 4 —, and —X 5 — are, independently from one another, a group selected from —N═, —N − .