First example of an infinite polybromide 2D-network

Abstract

The reaction of the neutral dithiolene [Pd(Et₂timdt)₂] (Et₂timdt = formally monoreduced diethylimidazolidine-2,4,5-trithione) with an excess of Br₂ yielded few crystals of [1^Et·2Br]²⁺(Br⁻)₂(Br₂)₃ as a by-product (1^Et = 4,5,9,10-tetrathiocino-[1,2-b:5,6-b′]-1,3,6,8-tetraethyl-diimidazolyl-2,7-dithione); X-ray diffraction analysis showed that this compound represents the first example of a polybromide 2D-network templated by [1^Et·2Br]⁺² dications, and featuring all the Br–Br distances shorter than those found in solid state bromine.