“…Therefore many salts of the type M [B(CN) 4 ] and M ′[B(CN) 4 ] 2 , respectively, with polymeric structures were reported 14. Moreover, various coordination polymers with imidazoyl‐functionalized anions of the type [H n B(im) 4– n ] – ( n = 1,2) were generated 15,16. Porous coordination polymers bearing [H n B(im) 4– n ] – anions were obtained under solvothermal conditions by the reaction of Na[B(im) 4 ] and various transition metal nitrates 17…”