Structural Proof for the First Dianion of a Polychloride: Investigation of [Cl8]2−
Robin Brückner, Patrick Pröhm, Anja Wiesner, Simon Steinhauer, Carsten Müller, Sebastian Riedel – 2016
The polychloride salt [CCl(NMe₂)₂]⁺₂ [Cl₈]²⁻ was synthesized and crystallized in the ionic liquid [BMP]OTf. The compound was fully characterized by Raman spectroscopy as well as X‐ray single‐crystal structure determination, and represents the first example of a polychloride dianion to be described. Detailed gas‐phase and solid‐state calculations concerning the nature of the bonding situation were also performed.