Syntheses and X-ray crystal structures of cis-[Mn(bipy)2Cl2]•-2H2O•EtOH and cis-[Mn(phen)2Cl2] (bipy = 2,2′-bipyridine; phen = 1,10-phenanthroline); catalysts for the disproportionation of hydrogen peroxide

被引：93

作者：

McCann, S

McCann, M ^{[1
]}

Casey, MT

Jackman, M

Devereux, M

McKee, V

机构：

[1] St Patricks Coll, Dept Chem, Maynooth, Kildare, Ireland

[2] Dublin Inst Technol, Dublin, Ireland

[3] Queens Univ Belfast, Sch Chem, Belfast BT9 5AG, Antrim, North Ireland

来源：

INORGANICA CHIMICA ACTA | 1998年 / 279卷 / 01期

关键词：

D O I：

10.1016/S0020-1693(98)00031-0

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

MnCl2. 4H(2)O reacts with 2,2'-bipyridine (bipy) to give cis-[Mn(bipy)(2)Cl-2] (1), and recrystallisation of 1 from ethanol gives cir[Mn(bipy)(2)Cl-2] . 2H(2)O . EtOH(2). MnCl2. 4H(2)O and 1,10-phenanthroline (phen) react to form cis-[Mn(phen)(2)Cl-2] (3), In each case, the X-ray crystal structures of 2 and 3 show the manganese(II) atom to have a similar distorted octahedral geometry, and in both cases there is extended pi-pi stacking of the conjugated ring systems. Compared with MnCl2 . 4H(2)O, 1 and 3 an much more efficient catalysts for the disproportionation of hydrogen peroxide. The catalytically active species are believed to be [Mn(bipy)(2)(H2O)(2)](2+) and [Mn(phen)(2)(H2O)(2)](2+), respectively. (C) 1998 Elsevier Science S.A. All rights reserved.

引用

页码：24 / 29

页数：6

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