AN UNUSUAL CHAIN-LIKE TETRANUCLEAR MANGANESE(II) COMPLEX DISPLAYING FERROMAGNETIC EXCHANGE

被引:51
作者
JEFFERY, JC
THORNTON, P
WARD, MD
机构
[1] UNIV BRISTOL, SCH CHEM, CANTOCKS CLOSE, BRISTOL BS8 1TS, AVON, ENGLAND
[2] UNIV LONDON, QUEEN MARY & WESTFIELD COLL, DEPT CHEM, LONDON E1 4NS, ENGLAND
关键词
D O I
10.1021/ic00094a029
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Reaction of the N,N,O-terdentate ligand 2-(2-hydroxyphenyl)-1,10-phenanthroline (HL) with Mn(CH3CO2)2.4H2O and NaClO4 affords [Mn(II)4L6][ClO4]2; X-ray analysis reveals a chain of four Mn(II) centers, with each adjacent pair bridged by two phenolate ligands. Magnetic susceptibility studies show that ferromagnetic exchange occurs, with the magnetic moment rising from 5.8 mu(B) per Mn(II) center at 300 K to 7.3 mu(B) at 4 K.
引用
收藏
页码:3612 / 3615
页数:4
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