Abstract
A new oxamato-bridged NiIICuIINiII species, [Ni(iprtacn)]2[Cu(pba)(H2O)0.5](BPh4)2 (1), (iprtacn = 1,4,7-triisopropyl-1,4,7-triazacyclononane; pba = 1,3-propylenebis(oxamato)) has been synthesized and structurally as well as magnetically characterized. Complex 1 has a discrete trinuclear NiIICuIINiII structure: Two nickel(II) ions are bridged by [Cu(pba)]2− with the macrocyclic ligand iprtacn a terminal ligand of nickel(II). Fitting the magnetic data of 1 led to g Cu = 2.16, g Ni = 2.18, J = −112.5 cm−1, D = ±7.78 cm−1. The irregular spin state structure and interaction of complex 1with DNA are described here.
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