Stabilization of Long Cationic EMACs by Reduction or Loss of One Metal Ion

Autor:	Yi-Lin Huang, Rui-Ren Wang, Shie-Ming Peng, Gene-Hsiang Lee, Chen-Yu Yeh, Wen-Zhen Wang, Rayyat Huseyn Ismayilov
Rok vydání:	2008
Předmět:	Stereochemistry Chemistry Ligand Cationic polymerization chemistry.chemical_element Inorganic Chemistry Metal Crystallography Delocalized electron Nickel Chain (algebraic topology) Superexchange visual_art Atom visual_art.visual_art_medium
Zdroj:	European Journal of Inorganic Chemistry. 2008:4290-4295
ISSN:	1099-0682 1434-1948
DOI:	10.1002/ejic.200800450
Popis:	The new pyrimidyl- and naphthyridyl-modulated pentapyridyltetramine ligand (H3N9-2pm) and its linear nona- and octanickel chain complexes were successfully synthesized. The nonanickel complex [Ni9(μ9-N9-2pm)4Cl2](PF6)2 (1) contains two fully delocalized, mixed-valence [Ni2(napy)4]3+ units. Magnetic measurements performed on the defective octanuclear complex [Ni8(μ8-N9-2pm)4Cl2](PF6)2 (2) demonstrate that the metal chain provides a pathway of magnetic superexchange coupling over the extended metal atom chain (EMAC). (© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2008)
Databáze:	OpenAIRE
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