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本文引用的文献

1
Terminal Ni-OH/-OH complexes in trigonal bipyramidal geometries derived from HO.源自羟基自由基（HO）的三角双锥几何构型中的末端镍 - 氢氧根/氢氧根络合物
Polyhedron. 2017 Mar 29;125:179-185. doi: 10.1016/j.poly.2016.11.015. Epub 2016 Nov 18.
2
Bimetallic iron-iron and iron-zinc complexes of the redox-active ONO pincer ligand.氧化还原活性ONO钳形配体的双金属铁-铁和铁-锌配合物。
Chem Sci. 2016 Feb 1;7(2):1594-1599. doi: 10.1039/c5sc03006d. Epub 2015 Dec 8.
3
Exploring Trends in Metal-Metal Bonding, Spectroscopic Properties, and Conformational Flexibility in a Series of Heterobimetallic Ti/M and V/M Complexes (M = Fe, Co, Ni, and Cu).探索一系列异双金属Ti/M和V/M配合物（M = Fe、Co、Ni和Cu）中金属-金属键合、光谱性质及构象灵活性的趋势
Inorg Chem. 2016 Dec 5;55(23):12137-12148. doi: 10.1021/acs.inorgchem.6b01543. Epub 2016 Aug 29.
4
Room-Temperature Characterization of a Mixed-Valent μ-Hydroxodicopper(II,III) Complex.一种混合价态μ-羟基二铜（II,III）配合物的室温表征
Inorg Chem. 2016 Sep 6;55(17):8263-6. doi: 10.1021/acs.inorgchem.6b01504. Epub 2016 Aug 12.
5
A Heterobimetallic W-Ni Complex Containing a Redox-Active W[SNS]2 Metalloligand.一种含有氧化还原活性W[SNS]2金属配体的异双金属W-Ni配合物。
Inorg Chem. 2016 Jul 5;55(13):6794-8. doi: 10.1021/acs.inorgchem.6b01164. Epub 2016 Jun 14.
6
Electronic Structure Description of a Doubly Oxidized Bimetallic Cobalt Complex with Proradical Ligands.含前自由基配体的双氧化双金属钴配合物的电子结构描述
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7
Pyridinediimine Iron Complexes with Pendant Redox-Inactive Metals Located in the Secondary Coordination Sphere.在二级配位球中带有悬挂式氧化还原惰性金属的吡啶二亚胺铁配合物。
Inorg Chem. 2016 Jan 19;55(2):555-7. doi: 10.1021/acs.inorgchem.5b02544. Epub 2015 Dec 21.
8
Configuring bonds between first-row transition metals.配置第一行过渡金属之间的键。
Acc Chem Res. 2015 Nov 17;48(11):2885-94. doi: 10.1021/acs.accounts.5b00336. Epub 2015 Oct 22.
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Quantitative Interpretation of Multifrequency Multimode EPR Spectra of Metal Containing Proteins, Enzymes, and Biomimetic Complexes.含金属蛋白质、酶和仿生配合物的多频多模电子顺磁共振谱的定量解释
Methods Enzymol. 2015;563:171-208. doi: 10.1016/bs.mie.2015.06.025. Epub 2015 Jul 21.
10
Structural and reactivity models for copper oxygenases: cooperative effects and novel reactivities.铜氧化酶的结构和反应性模型：协同效应和新的反应性。
Acc Chem Res. 2015 Aug 18;48(8):2397-406. doi: 10.1021/acs.accounts.5b00187. Epub 2015 Jul 24.

金属蛋白中非对称活性位点的模型：具有M-(μ-OH)-Fe核心的双金属配合物的结构、氧化还原和磁性性质

Models for Unsymmetrical Active Sites in Metalloproteins: Structural, Redox, and Magnetic Properties of Bimetallic Complexes with M-(μ-OH)-Fe Cores.

作者信息

Sano Yohei, Lau Nathanael, Weitz Andrew C, Ziller Joseph W, Hendrich Michael P, Borovik A S

机构信息

Department of Chemistry, University of California-Irvine , 1102 Natural Sciences II, Irvine, California 92697-2025, United States.

Department of Chemistry, Carnegie Mellon University , Pittsburgh, Pennsylvania 15213, United States.

出版信息

Inorg Chem. 2017 Nov 20;56(22):14118-14128. doi: 10.1021/acs.inorgchem.7b02230. Epub 2017 Nov 7.

DOI:10.1021/acs.inorgchem.7b02230
PMID:29112385
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5696092/
Abstract

Bimetallic complexes are important sites in metalloproteins but are often difficult to prepare synthetically. We have previously introduced an approach to form discrete bimetallic complexes with M-(μ-OH)-Fe (M = Mn, Fe) cores using the tripodal ligand N,N',N″-[2,2',2″-nitrilotris(ethane-2,1-diyl)]tris(2,4,6-trimethylbenzenesulfonamido) ([MST]). This series is extended to include the rest of the late 3d transition metal ions (M = Co, Ni, Cu, Zn). All of the bimetallic complexes have similar spectroscopic and structural properties that reflect little change despite varying the M centers. Magnetic studies performed on the complexes in solution using electron paramagnetic resonance spectroscopy showed that the observed spin states varied incrementally from S = 0 through S = 5/2; these results are consistent with antiferromagnetic coupling between the high-spin M and Fe centers. However, the difference in the M ion occupancy yielded only slight changes in the magnetic exchange coupling strength, and all complexes had J values ranging from +26(4) to +35(3) cm.

摘要

双金属配合物是金属蛋白中的重要位点，但通常很难通过合成方法制备。我们之前介绍了一种使用三脚架配体N,N',N″-[2,2',2″-次氮基三(乙烷-2,1-二基)]三(2,4,6-三甲基苯磺酰胺)([MST])形成具有M-(μ-OH)-Fe (M = Mn, Fe)核的离散双金属配合物的方法。该系列扩展到包括其余的3d晚期过渡金属离子(M = Co、Ni、Cu、Zn)。尽管改变了M中心，但所有双金属配合物都具有相似的光谱和结构性质，几乎没有变化。使用电子顺磁共振光谱对溶液中的配合物进行的磁性研究表明，观察到的自旋态从S = 0到S = 5/2逐渐变化；这些结果与高自旋M和Fe中心之间的反铁磁耦合一致。然而，M离子占有率的差异仅导致磁交换耦合强度略有变化，并且所有配合物的J值范围为+26(4)至+35(3) cm。