Cationic Metal–Organic Frameworks Based on Linear Zwitterionic Ligands for Cr2O72– and Ammonia Sensing

A series of cationic lanthanide-based metal–organic frameworks (MOFs), {[Ln3(bcbp)3(NO3)7]·NO3·ClO4}n (Ln = Tb (1), Gd (2), Eu (3); H2bcbpCl2 = 1,1′-bis(4-carboxyphenyl)(4,4′-bipyridinium) dichlori...