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锌蒂尔簇合物[FeE]（E = Sn和Pb）菱形铁核中的铁-铁键合。

Fe-Fe bonding in the rhombic Fe cores of the Zintl clusters [FeE] (E = Sn and Pb).

作者信息

Chen Wei-Xing, Li Zi-Sheng, Morgan Harry W T, Shu Cong-Cong, Sun Zhong-Ming, McGrady John E

机构信息

State Key Laboratory of Elemento-Organic Chemistry, Tianjin Key Lab for Rare Earth Materials and Applications, School of Materials Science and Engineering, Nankai University Tianjin 300350 China

Department of Chemistry, University of Oxford South Parks Road Oxford OX1 3QR UK

出版信息

Chem Sci. 2024 Feb 28;15(13):4981-4988. doi: 10.1039/d4sc00165f. eCollection 2024 Mar 27.

DOI:10.1039/d4sc00165f
PMID:38550677
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10967007/
Abstract

We report here the synthesis and characterization of two endohedral Zintl-ion clusters, [FeSn] and [FePb], which contain rhombic Fe cores. The Fe-Fe bond lengths are all below 2.5 Å, distinctly shorter than in the corresponding Cu clusters, indicating the presence of Fe-Fe bonding. Subtle differences in the structure of the Fe core between the two clusters suggest that the change in tetrel element causes a change in electronic ground state, with a very short Fe-Fe bond length of 2.328 Å present across the diagonal of the rhombus in the lead case.

摘要

我们在此报告了两个内包型津特耳离子簇合物[FeSn]和[FePb]的合成与表征，它们含有菱形铁核。铁-铁键长均低于2.5 Å，明显短于相应的铜簇合物中的键长，表明存在铁-铁键。两个簇合物中铁核结构的细微差异表明，四价元素的变化导致电子基态发生变化，在铅的情况下，菱形对角线上存在非常短的2.328 Å的铁-铁键长。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5ac6/10967007/ae3d4d58078b/d4sc00165f-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5ac6/10967007/13b089a7049a/d4sc00165f-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5ac6/10967007/6517ec6a36f8/d4sc00165f-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5ac6/10967007/cb994af1d9d4/d4sc00165f-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5ac6/10967007/ae3d4d58078b/d4sc00165f-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5ac6/10967007/13b089a7049a/d4sc00165f-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5ac6/10967007/6517ec6a36f8/d4sc00165f-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5ac6/10967007/cb994af1d9d4/d4sc00165f-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5ac6/10967007/ae3d4d58078b/d4sc00165f-f4.jpg

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本文引用的文献

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Chem Sci. 2023 Dec 2;15(3):1018-1026. doi: 10.1039/d3sc04709a. eCollection 2024 Jan 17.
2
Electronic structure and bonding in endohedral Zintl clusters.内嵌式津特耳簇合物中的电子结构与键合
Chem Soc Rev. 2022 Jan 24;51(2):628-649. doi: 10.1039/d1cs00775k.
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A linear metal-metal bonded tri-iron single-molecule magnet.一种线性金属-金属键合的三铁单分子磁体。
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Open Shells in Endohedral Clusters: Structure and Bonding in the [Fe@Ge] Anion and Comparison to Isostructural [Co@Ge].内嵌簇合物中的开放壳层：[Fe@Ge] 阴离子的结构与键合及与同结构的 [Co@Ge] 的比较
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Spectroscopic Investigation of a Metal-Metal-Bonded Fe Single-Molecule Magnet with an Isolated = / Giant-Spin Ground State.具有孤立的S = 1/2 /巨自旋基态的金属-金属键合铁单分子磁体的光谱研究。
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