Low-coordinate iron(II) complexes of a bulky bis(carbene)borate ligand

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题名:	Low-coordinate iron(II) complexes of a bulky bis(carbene)borate ligand
作者:	李韋宗;Lee, Wei-Tsung;Jeon, Ie-Rang;Xu, Song;Dickie, Diane A;Smith, Jeremy M
贡献者:	理學院化學學系
关键词:	Chemical Sciences
日期:	2014-10-27
上传时间:	2026-04-21 14:29:44 (UTC+8)
出版者:	American Chemical Society
摘要:	摘要： The bulky bis(carbene)borate ligand H2B(tBuIm)2 – allows for the synthesis of three- and four-coordinate iron(II) complexes, including heteroleptic H2B(tBuIm)2FeN(TMS)2 and homoleptic [H2B(tBuIm)2]2Fe. The magnetic properties of these coordinatively unsaturated complexes have been characterized by SQUID magnetometry, but no evidence of single-molecule magnet behavior is observed, despite large negative uniaxial zero field splitting. The three-coordinate complex H2B(tBuIm)2FeN(TMS)2 serves as a precursor for the synthesis of the four-coordinate mixed carbene complex H2B(tBuIm)2(iPr2Im)FeCl, which has a coordination environment similar to that found in tris(carbene)borate iron(II) chloride complexes. Despite this similarity, attempts to prepare the corresponding iron(IV) nitride were unsuccessful, suggesting that subtle structural factors are critical to stabilizing this species. 其他題名： Organometallics 出版者： American Chemical Society 出版日期： 2014-10-27 出處： Organometallics, 2014-10, Vol.33 (20), p.5654-5659 資源來源： American Chemical Society Journals 版權： Copyright © 2014 American Chemical Society 版權： licence_http://creativecommons.org/publicdomain/zero 識別號： ISSN: 0276-7333 識別號： EISSN: 1520-6041 識別號： DOI: 10.1021/om500417y
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