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A unique ferromagnetically coupled non-coplanar double μ-1,3-azido-bridged binuclear Ni(II) complex

✍ Scribed by Xue-Ting Liu; Qing-Liang Liu

Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
293 KB
Volume
889
Category
Article
ISSN
0022-2860

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✦ Synopsis

A new double l-1,3-azido-bridged binuclear Ni(II) complex 1 ([Ni 2 (L) 2 (l-N 3 ) 2 ](ClO 4 ) 2 (L = [N,N 0 ,N 00 -tris(4-methoxylbenzyl)tris(2aminoethyl)amine]) was synthesized and characterized by X-ray crystallography and magnetic measurements. In 1, two N 3 À ligands bridge two Ni(II) ions with the l-1,3 mode and cross each other to give a rarely observed non-coplanar (N 3 ) 2 structure. The unique ferromagnetic coupling mediated by double l-1,3-azido bridges mainly attributes to the Ni-N-N-N-Ni torsion angles being approaching 90°.

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A Polyoxometalate Containing the {Ni2N3}
A Polyoxometalate Containing the {Ni2N3} Fragment: Ferromagnetic Coupling in a NiII μ-1,1 Azido Complex with a Large Bridging Angle
✍ Pierre Mialane; Anne Dolbecq; Eric Rivière; Jérôme Marrot; Francis Sécheresse 📂 Article 📅 2004 🏛 John Wiley and Sons 🌐 English ⚖ 127 KB

The chemistry of polyoxometalates (POMs) continues to attract much attention, particularly with respect to potential catalytic activity. [1] In the last few years it has also been noted that POMs are ideal models for the study of exchange interactions in magnetic clusters, as they represent a class