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Electronic Structure of Thiolate-bridged Diiron Complexes and a Single-electron Oxidation Reaction" A Combination of Experimental and Computational Studies
  • ISSN号:1001-604X
  • 期刊名称:《中国化学:英文版》
  • 分类:O[理学]
  • 作者机构:State Key Laboratory of Fine Chemicals, School of Pharmaceutical Science and Technology, Dalian University of Technology, Dalian, Liaoning 116024, China
  • 相关基金:This work was partly supported by the National Natural Science Foundation of China (Nos. 21429201, 21231003, 21571026). The authors also thank the Network and Information Center of the Dalian University of Technology for part of the computational resources.
中文摘要:

diiron 硫建筑群的单个电子的氧化[Cp *Fe (μ-bdt ) FeCp *](1, Cp *=η5-C55 ;bdt=benzene-1,2-dithiolate ) 到[Cp *Fe (μ-bdt ) FeCp *]+(2 ) 试验性地被进行了。与氧化还原作用活跃的特性一起的 bdt ligand 计算地被建议了是 dianion (bdt 2−) 而非以前建议的 monoanion (在 1 的 bdt ·−) 基尽管它有不等距离的芳香的 CC,结合长度。 1 的扎根的状态被预言是二个低纺纱的铁的离子( S Fe =0)并且 2 有一个中等纺纱的铁的离子( S Fe =1/2)和一个低纺纱的铁的中心( S Fe =0),和 1~2 的氧化被计算是 single-metal-based 过程。两建筑群没有重要 antiferromagnetic 联合特性。

英文摘要:

Single-electron oxidation of a diiron-sulfur complex [Cpπ*Fe(μ-bdt)FeCp^*] (1, Cp^*=η^5-C5Me5; bdt = benzene-1,2-dithiolate) to [Cp^*Fe(μ-bdt)FeCp^*]]^+ (2) has been experimentally conducted. The bdt ligand with redoxactive character has been computationally proposed to be a dianion (bdt62-) rather than previously proposed monoanion (bdt^-) radical in 1 though it has un-equidistant aromatic C-C bond lengths. The ground state of 1 is predicted to be two low-spin ferrous ions (SFe= 0) and 2 has a medium-spin ferric ion (SFe= 1/2) and a low-spin ferrous center (SFe=0), and the oxidation of 1 to 2 is calculated to be a single-metal-based process. Both complexes have no significant antiferromagnetic coupling character.

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期刊信息
  • 《中国化学:英文版》
  • 主管单位:
  • 主办单位:中国化学会
  • 主编:
  • 地址:上海市枫林路354号中科院上海有机化学研究所
  • 邮编:200032
  • 邮箱:
  • 电话:021-54925243
  • 国际标准刊号:ISSN:1001-604X
  • 国内统一刊号:ISSN:31-1547/O6
  • 邮发代号:4-646
  • 获奖情况:
  • 中国期刊方阵“双高”期刊
  • 国内外数据库收录:
  • 美国化学文摘(网络版),荷兰文摘与引文数据库,美国科学引文索引(扩展库),日本日本科学技术振兴机构数据库,英国英国皇家化学学会文摘
  • 被引量:175