Synthesis and Structure of Bis-(o-vanillin)di-pyridine Nickel(Ⅱ)-pyridine Dihydrate

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The structure of the complex bis-(o-vanillin)di-pyridine nickel(Ⅱ)([ Ni X-ray analysis.The crystal data are as follows: Monoclinic,P21/n,a=12.273(1),b=17.4700.674mm-1,F(000)=1328,final R=0.0428,Rw=0.1228 for 4528 observable reflections with I≥2σ(Ⅰ).The Nickel(Ⅱ)atom in the complex has a slightly distorted octahedral coordination geometr y and is six-coordinated by four O atoms from two O-Vanillin ligands and two N atoms from two pyridines.In the crystal,the Ni(Ⅱ)-complex and water molecules are linked through a network of hydrogen bonds.
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