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Five Disk-Shaped {M-7(II)} (M = Mn, Fe, Co, Cu, Zn) Clusters and One Capsule-Like {(Cu6Na2I)-Na-II} Cluster Assembled from the Same Schiff Base Ligand
Zhang, Haifeng1,2; Zhang, Jin1; Liu, Rui2; Li, Yahong1; Liu, Wei1; Li, Wu3
2016-09-01
Source PublicationEUROPEAN JOURNAL OF INORGANIC CHEMISTRY
Issue26Pages:4134-4143
SubtypeArticle
AbstractSix transition-metal clusters of compositions [Mn7L6](NO3)(2)center dot 2CH(3)OH (1), [Fe7L6](NO3)(2)center dot 2CH(3)OH (2), [Co7L6]-(NO3)(2)center dot 2CH(3)OH (3), [Cu7L6](NO3)(2) (4), [Zn7L6](NO3)(2)center dot 2CH(3)OH (5), and [Cu6Na2L6](NO3)(2)center dot 4CH(3)OH (6) {H2L = 2-(2-hydroxy-3-methoxybenzylideneamino)phenol} have been synthesized under solvothermal conditions. The structures of 1-6 have been established based on single-crystal X-ray diffraction studies. Complexes 1-5 possess disk-shaped {M-7(II)} cores, with the central M-II ion and the six peripheral MII ions being linked by six mu(3)-O atoms. The six MII ions of the rim of the disk are bridged in a pairwise manner by six mu(2)-O atoms. Complex 2 is a very rare example of a disk-shaped {Fe-7} cluster in which all of the Fe atoms exhibit +2 oxidation state. Furthermore, this is the first time that the five isostructural heptanuclear clusters were constructed by using an identical Schiff base ligand. The molecule of complex 6 contains a capsule-like {Cu6Na2} core. In this core, two sodium ions reside on the two vertices of the capsule and the 12 vertices of the {Cu6O6} hexagonal prism are occupied by alternately arrayed six Cu-II ions and six O atoms. Photoluminescence studies suggest strong emission for 5 in the solid state at room temperature. Variable-temperature dc magnetic susceptibility studies were carried out on polycrystalline samples of 1-4 and 6. The ac susceptibility studies were also performed with 3. Strong out-of-phase, chi'', signals were observed for 3 at zero field, suggesting that 3 is a class of single molecule magnet (SMM).
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordSINGLE-MOLECULE MAGNET ; MIXED-VALENCE ; CRYSTAL-STRUCTURES ; SOLVOTHERMAL SYNTHESIS ; MANGANESE CLUSTER ; GROUND-STATE ; HEPTANUCLEAR ; COMPLEXES ; WHEEL ; TETRANUCLEAR
Indexed BySCI
Language英语
WOS Research AreaChemistry
WOS SubjectChemistry, Inorganic & Nuclear
WOS IDWOS:000386163800002
Citation statistics
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/6369
Collection青海盐湖研究所知识仓储
盐湖资源综合利用工程技术中心
Affiliation1.Soochow Univ, Coll Chem Chem Engn & Mat Sci, Suzhou 215123, Peoples R China
2.Jining Univ, Dept Chem & Chem Engn, Qufu 273155, Peoples R China
3.Chinese Acad Sci, Qinghai Inst Salt Lakes, Key Lab Salt Lake Resources & Chem, Xining 810008, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Haifeng,Zhang, Jin,Liu, Rui,et al. Five Disk-Shaped {M-7(II)} (M = Mn, Fe, Co, Cu, Zn) Clusters and One Capsule-Like {(Cu6Na2I)-Na-II} Cluster Assembled from the Same Schiff Base Ligand[J]. EUROPEAN JOURNAL OF INORGANIC CHEMISTRY,2016(26):4134-4143.
APA Zhang, Haifeng,Zhang, Jin,Liu, Rui,Li, Yahong,Liu, Wei,&Li, Wu.(2016).Five Disk-Shaped {M-7(II)} (M = Mn, Fe, Co, Cu, Zn) Clusters and One Capsule-Like {(Cu6Na2I)-Na-II} Cluster Assembled from the Same Schiff Base Ligand.EUROPEAN JOURNAL OF INORGANIC CHEMISTRY(26),4134-4143.
MLA Zhang, Haifeng,et al."Five Disk-Shaped {M-7(II)} (M = Mn, Fe, Co, Cu, Zn) Clusters and One Capsule-Like {(Cu6Na2I)-Na-II} Cluster Assembled from the Same Schiff Base Ligand".EUROPEAN JOURNAL OF INORGANIC CHEMISTRY .26(2016):4134-4143.
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