Some Schiff base complexes of lead(II)

Abstract

The interaction of lead(II) salts with the Schiff bases N,N′-bis(salicylidene)ethane-1,2-diamine (H₂salen) and tris[2-(N-salicylideneamino)ethyl]amine (H₃saltren) resulted in formation of the new complexes [Pb₃(salen)₂][ClO₄]₂1 and [Pb(saltren)]2. The crystal structures of both complexes have been determined: 1 is a hitherto unreported trimetallic lead species in which the ligand bonds to lead in two different modes; in 2 some sites on the ligand are not involved in bonding to the metal.