Crystal Structure and Magnetic Properties of a Novel Octa-coordinated Manganese(II) Complex |
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Authors: | Dongbin Dang Yan Bai Chunying Duan |
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Institution: | (1) Molecular and Crystal Engineering Institute, School of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, P.R. China;(2) State Key Laboratory of Coordination Chemistry, Coordination Chemistry Institute, Nanjing University, Nanjing, 210093, P.R. China |
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Abstract: | Abstract The self-assembly and structural characterization of the new manganese(II) MnL
2](ClO4)2(CH3OH)0.5 (1) complex has been achieved. The crystallographic data for the complex 1: Orthorhombic Pbca
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a = 16.287(2) ?, b = 21.293(2)?, c = 32.718(3) ?, V = 11,347(2) ?3, Z = 8. The two polydentate ligands strand intertwined each other and around the manganese(II) ions forming a mononuclear complex.
The Mn(II) ion is eight-coordinated with the eight donor nitrogen atoms of two ligands to form a distorted square antiprismatic
coordination geometry. The magnetic properties investigation indicates that there is a weak antiferromagnetic exchange coupling
between the Mn(II) ions of the complex.
Index Abstract An octa-coordinated Mn(II) complex which exhibits a distorted square antiprismatic coordination geometry has been achieved
by using a bisbidentate Schiff-base
ligand.
![MediaObjects/10870_2008_9335_Figa_HTML.gif](/content/n44661j60w32v030/MediaObjects/10870_2008_9335_Figa_HTML.gif) |
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Keywords: | Manganese(II) complex Crystal structure Magnetic properties |
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