Model studies of azide binding to functional analogues of CcO.
Model studies of azide binding to functional analogues of CcO.
复制标题
叠氮化物与 CcO 功能类似物结合的模型研究。
DOI：
10.1021/ic702294n
复制
发表时间：
2008
影响因子：
4.6
通讯作者：
Yang,Ying
中科院分区：
文献类型：
--
作者：
Collman,JamesP;Dey,Abhishek;Decréau,RichardA;Yang,Ying
N3−与CcO功能模型的结合以Fe3+、Fe3+Cu+和Fe3+Cu2+形式进行研究。EPR和FTIR的组合表明，N3−在N2位点以桥接模式结合，并且识别出N3−与该位点结合的几种形式的特征N3−带。远端金属的存在增加了N3−的结合亲和力。这种桥接使得在Fe3+Cu2+状态下的两个金属中心之间的反铁磁相互作用成为可能，这导致EPR沉默基态。
N3−binding to a functional model of CcO is investigated in its Fe3+, Fe3+Cu+, and Fe3+Cu2+forms. A combination of EPR and FTIR indicates that N3−binds in a bridging mode in the bimetallic sites and signature N3−bands are identified for several forms of N3−binding to the site. The presence of the distal metal increases the binding affinity of N3−. This bridging enables antiferromagnetic interaction between the two metal centers in the Fe3+Cu2+state, which results in an EPR-silent ground state.