Syntheses and crystal structures of trimethyltin(IV) coordination polymers based on mixed ligands of 5-nitroisophthalate and 2,2′(4,4′)-bipy or phen

The trimethyltin polymer [(Me3Sn)2(nip) · EtOH]n (1) of 5-nitroisophthalic acid (H2nip) and its three derivatives with mixed organic N-donor ligands 2,2′-bipy [(Me3Sn)2(nip) · 2H2O] · [(Me3Sn)2(nip) · H2O] · 2(2,2′-bipy) (2) 4,4′-bipy {[(Me3Sn)2(nip)]2(4,4′-bipy)}n (3) or phen [(Me3Sn)2(nip) · H2O] · (phen) (4) have been synthesized. All complexes 1-4 were characterized by elemental, IR, 1H, 13C, and 119Sn NMR spectroscopy and X-ray crystallography analyses.