Table of Contents
Crystals, Volume 7, Issue 9 (September 2017)
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Cover Story (view full-size image) The newly designed complex [Zn(L1)(EtOH)] (1) derived from coumarin-containing symmetric [...] Read more. The newly designed complex [Zn(L1)(EtOH)] (1) derived from coumarin-containing symmetric Salamo-type N2O2 bisoxime ligands, has been synthesized and characterized, and consists of one Zn(II) ion, one completely deprotonated unit and one coordinated ethanol molecule. The Zn(II) ion is penta-coordinated by two oxime nitrogen atoms and two phenoxo oxygen atoms; the four atoms are all from one deprotonated unit, and there is one oxygen atom from the coordinated ethanol molecule. The coordination environment around the Zn(II) ion is best described as a slightly distorted trigonal bipyramidal geometry. Six pairs of intermolecular hydrogen bonds are formed. In addition, the Cg3 of the pyrone rings as acceptors, forms a hydrogen bond with the protons of coordinated ethanol molecules. The space skeleton of complex 1 adopts a 3D supramolecular structure by the action of the O–H···O, C–H···O hydrogen bond, and C–H···π