FIRST EXAMPLE OF A MIXED-VALENCE MN(III)MN(II)MN(III) SCHIFF-BASE POLYMERIC COMPLEX HAVING A TRIMERIC REPEAT UNIT - CRYSTAL-STRUCTURE OF [MN-3(HSALADHP)(2)(ACETATO)(2)(5-CL-SALICYLATO)(2)](N)

被引：32

作者：

MALAMATARI, DA

HITOU, P

HATZIDIMITRIOU, AG

INSCORE, FE

GOURDON, A

KIRK, ML

KESSISSOGLOU, DP

机构：

[1] ARISTOTELIAN UNIV THESSALONIKI,DEPT GEN & INORGAN CHEM,GR-54006 THESSALONIKI,GREECE

[2] LOE,CEMES,CNRS,F-31055 TOULOUSE,FRANCE

来源：

INORGANIC CHEMISTRY | 1995年 / 34卷 / 10期

关键词：

D O I：

10.1021/ic00114a002

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The crystal structure of [Mn-3(Hsaladhp)(2)(acetato)(2)(5-Cl-salicylato)(2)](n) shows it to be a polymeric chain with the trimeric Mn(III)-Mn(II)-Mn(III) units bridged by phenolate groups of the Schiff-base ligand. Variable-temperature magnetic susceptibility measurements indicate the manganese ions within the trimeric unit are antiferromagnetically exchange coupled yielding an S = 3/2 ground state. The magnetic data also provide evidence for a weak antiferromagnetic intertrimer exchange interaction, indicating the compound behaves as an S = 3/2 linear chain at low temperatures.

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页码：2493 / 2494

页数：2

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