Structural characterization, magnetic studies, and catecholase-like activities of Mn<sub>12</sub> clusters
作者:Mo Ashafaq、Mukul Raizada、Mohd Khalid、M. Shahid、Musheer Ahmad、Zafar A. Siddiqi
DOI:10.1080/00958972.2018.1475661
日期:2018.7.18
characterized by single-crystal X-ray diffraction, PXRD, cyclic voltammetry (CV), and variable temperature magneticstudies. 1 and 2 crystallize in the monoclinic (P21/n) and triclinic (P-1) systems, respectively, and each structure consists of a dodecanuclear mixed-valent sandwich core. Magnetic data confirmed that both complexes show dominant antiferromagnetic interactions between metal centers. The
High-Spin Mn<sub>4</sub> and Mn<sub>10</sub> Molecules: Large Spin Changes with Structure in Mixed-Valence Mn<sup>II</sup><sub>4</sub>Mn<sup>III</sup><sub>6</sub> Clusters with Azide and Alkoxide-Based Ligands
作者:Theocharis C. Stamatatos、Katye M. Poole、Khalil A. Abboud、Wolfgang Wernsdorfer、Ted A. O’Brien、George Christou
DOI:10.1021/ic800268z
日期:2008.6.2
crystallographically imposed. A similar reaction of Mn(ClO4) (2).6H2O with one equiv each of NaN3, thmeH3, pdmH2, and NEt3 in MeCN/MeOH led to [MnII4MnIII6O2(N3)6(pdmH)4(thme)4] (3). Complex 3 is at the same oxidation level as 1/2 but its core is structurally different, consisting of two edge-fused [MnII2MnIII4(mu4-O)]14+ octahedra. Replacement of thmeH3 with teaH3 in this reaction gave instead [MnII2MnIII2(N3)4(pdmH)2(teaH)2]
Rational serendipity: “undirected” synthesis of a large {MnIII10CuII5} complex from pre-formed Mn<sup>II</sup> building blocks
作者:Jamie M. Frost、Fraser J. Kettles、Claire Wilson、Mark Murrie
DOI:10.1039/c6dt03914f
日期:——
Use of an aminopolyalcohol-based MnII complex in solvothermal CuII chemistry leads to a rare example of a high nuclearity heterometallic MnIII10CuII5} system, in which four CuII(H1Edte)} units trap an inner MnIII10CuII} oxide core.
Cross dehydrogenative coupling of <i>N</i>-aryltetrahydroisoquinolines (sp<sup>3</sup> C–H) with indoles (sp<sup>2</sup> C–H) using a heterogeneous mesoporous manganese oxide catalyst
作者:B. Dutta、V. Sharma、N. Sassu、Y. Dang、C. Weerakkody、J. Macharia、R. Miao、A. R. Howell、S. L. Suib
DOI:10.1039/c7gc01919j
日期:——
heterogeneous catalytic approach for selective coupling of C1 of N-aryltetrahydroisoquinolines with C3 of indoles in the presence of mesoporous manganese oxides. Our work involves a detailed mechanistic investigation of the reaction on the catalyst surface, backed by DFT computational studies, to understand the superior catalytic activity of manganese oxides.
Fine-Tuning Aromatic Stacking and Single-Crystal Photoluminescence Through Coordination Chemistry
作者:Chaoyuan Chen、Yilei Wu、Hui Li
DOI:10.1002/ejoc.201801843
日期:2019.2.28
Solid‐state photoluminescence of NDI stacks within 2‐D and 3‐D crystalline polymers assembled by coordination‐bond driven self‐assembly shows an unexpected correlation between the emission bandwidth and π–π stacking distances.