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Acta Cryst. (2009). E65, m419 [ doi:10.1107/S1600536809009568 ]
Abstract: In comparison with the previous refinement of the title complex, [Zn(NCS)2(C12H18N2O)], the present redetermination reveals a different location of the non-carbon attached H atom. Whereas in the previous refinement this H atom was modelled as part of a phenol OH group, the present study indicates a zwitterionic Schiff base ligand with a deprotonated OH group and a protonated tertiary amine group. The Zn(II) atom is four-coordinated by one O and one imine N atoms of the 2-[3-(dimethylammonio)propyliminomethyl]phenolate Schiff base ligand, and by two N atoms from two thiocyanate ligands, forming a distorted tetrahedral geometry. In the crystal structure, adjacent molecules are linked through intermolecular N-H
O hydrogen bonds, forming a chain in the [101] direction.
Online 19 March 2009
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