Eight-Fold Interpenetrating Diamondoid Coordination Polymers for Sensing Volatile Organic Compounds and Metal Ions.

Reactions of divalent metal salts with 4,4-oxybis(N-(pyridine-4-yl)-benzamide), L, and naphthalene-1,4-dicarboxylic acid (1,4-H(2)NDC) in various solvents gave [Zn(L)(1,4-NDC)·H(2)O](n), 1, [Cd(L)(1,4-NDC)(H(2)O)·MeOH](n), 2, and [Co(L)(1,4-NDC)(H(2)O)(0.5)·MeOH](n), 3, which have been structurally characterized. Complexes 1-3 show eight-fold interpenetrating frameworks with the dia topology, which exhibit porosities substantiated by CO(2) adsorption, whereas 1 and 2 manifest stability in aqueous environments and show high selectivity toward sensing of mesitylene molecules and Fe(3+) ions with low detection limits and good reusability up to five cycles.