STRUCTURES AND MAGNETIC-PROPERTIES OF BIS(HEXAFLUOROACETYLACETONATO)MANGANESE(II) LIGATED WITH N-[3- AND 4-(N-TERT-BUTYL-N-OXYAMINOPHENYL)]IMIDAZOLE

被引：35
|
作者：
ISHIMARU, Y [1 ]
INOUE, K [1 ]
KOGA, N [1 ]
IWAMURA, H [1 ]
机构：
[1] UNIV TOKYO, GRAD SCH SCI, DEPT CHEM, BUNKYO KU, TOKYO 113, JAPAN
来源：
CHEMISTRY LETTERS | 1994年 / 09期
关键词：
D O I：
10.1246/cl.1994.1693
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
X-Ray analyses revealed that bis(hexafluoroacetylacetonato)manganese(II) forms with 1-[3- and 4-(N-tert-butyl-N-oxyaminophenyl)]imidazoles cyclic dimer complexes in cls coordination. The long-range magnetic couplings between the two spin 4/2's resulting from the strongly antiferromagnetic short-range interaction between the Mn(II) and the ligated nitroxide radical are regiospecific: antiferromagnetic for 3- and ferromagnetic for 4-nitroxide substitution on the phenyl ring.
引用
收藏
页码：1693 / 1696
页数：4
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