Abstract

Hexanuclear 4d–4f heterometallic coordination polymers, [Ln 2Ag 4(IN) 5(ox) 2(NO 3)(H 2O) 2 · 3H 2O] [Ln = Eu ( 1), Tm ( 2); IN = isonicotinate and ox = oxalate], have been synthesized by hydrothermal reaction of mixed organic ligands and metal salts. Both structures display the same unusual 3D heterometallic coordination frameworks based on rare zigzag lanthanide–oxalate–silver chains, Ag 2(IN) 3 units and IN linkers. The photoluminescent properties of complex 2 were studied.

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