ChemInform Abstract: Crystal Structures and Raman Spectra of Imidazolium Poly[perfluorotitanate(IV)] Salts Containing the [TiF6]2‐, ([Ti2F9]‐)∞, and [Ti2F11]3‐ and the New [Ti4F20]4‐ and [Ti5F23]3‐ Anions. Issue 40 (12th September 2013)