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Electronic configuration and ligand nature of five-coordinate iron porphyrin carbene complexes: an experimental study

文献类型:期刊论文

作者Liu, Yulong1; Xu, Wei2; Zhang, Jing2; Fuller, William3; Schulz, Charles E.3; Li, Jianfeng1
刊名Journal of the american chemical society
出版日期2017-04-12
卷号139期号:14页码:5023-5026
ISSN号0002-7863
DOI10.1021/jacs.7b01722
通讯作者Li, jianfeng(jfli@ucas.ac.cn)
英文摘要The five-coordinate iron porphyrin carbene complexes [fe(tpp) (ccl2)] (tpp = tetraphenylporphyrin), [fe(ttp) (ccl2)] (ttp = tetratolylporphyrin) and [fe(tfpp) (cph2)] (tfpp = tetra(pentafluoro-phenyl)porphyrin), utilizing two types of carbene ligands (ccl2 and cph2), have been investigated by single crystal x-ray, xanes (x-ray absorption near edge spectroscopy), mossbauer, nmr and uv-vis spectroscopies. the xanes suggested the iron(ii) oxidation state of the complexes. the multitemperature and high magnetic field mossbauer experiments, which show very large quadrupole splittings (qs, delta e-q), determined the s = 0 electronic configuration. more importantly, combined structural and mossbauer studies, especially the comparison with the low spin iron(ii) porphyrin complexes with strong diatomic ligands (cs, co and cn-) revealed the covalent bond nature of the carbene ligands. a correlation between the iron isomer shifts (is, delta) and the axial bond distances is established for the first time for these donor carbon ligands (:c-r).
WOS关键词METAL-ORGANIC FRAMEWORK ; PICKET-FENCE PORPHYRINS ; MOSSBAUER-SPECTROSCOPY ; MOLECULAR-STRUCTURE ; AXIAL LIGAND ; CYTOCHROME-P-450 ; HEMOPROTEINS ; CRYSTAL ; REACTIVITY ; OXIDATION
WOS研究方向Chemistry
WOS类目Chemistry, Multidisciplinary
语种英语
WOS记录号WOS:000399353800011
出版者AMER CHEMICAL SOC
URI标识http://www.irgrid.ac.cn/handle/1471x/2177464
专题高能物理研究所
通讯作者Li, Jianfeng
作者单位1.Univ Chinese Acad Sci, Coll Mat Sci & Optoelect Technol, Beijing 101408, Peoples R China
2.Chinese Acad Sci, Inst High Energy Phys, Beijing Synchrotron Radiat Facil, Beijing 100049, Peoples R China
3.Knox Coll, Dept Phys, Galesburg, IL 61401 USA
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Liu, Yulong,Xu, Wei,Zhang, Jing,et al. Electronic configuration and ligand nature of five-coordinate iron porphyrin carbene complexes: an experimental study[J]. Journal of the american chemical society,2017,139(14):5023-5026.
APA Liu, Yulong,Xu, Wei,Zhang, Jing,Fuller, William,Schulz, Charles E.,&Li, Jianfeng.(2017).Electronic configuration and ligand nature of five-coordinate iron porphyrin carbene complexes: an experimental study.Journal of the american chemical society,139(14),5023-5026.
MLA Liu, Yulong,et al."Electronic configuration and ligand nature of five-coordinate iron porphyrin carbene complexes: an experimental study".Journal of the american chemical society 139.14(2017):5023-5026.

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