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Stepwise Assembly of M-7(II) Clusters Revealed by Mass Spectrometry, EXAFS, and Crystallography
Na, HX; Yang, PY; Yin, Z; Wang, YH; Chang, LX; Si, R; Kurmoo, M; Zeng, MH; Zeng, MH (reprint author), Guangxi Normal Univ, Key Lab Chem & Mol Engn Med Resources, Guilin 541004, Peoples R China.; Zeng, MH (reprint author), Hubei Univ, Coll Chem & Chem Engn, Wuhan 430062, Peoples R China.
2016
Source PublicationCHEMISTRY-A EUROPEAN JOURNAL
ISSN0947-6539
Volume22Issue:51Pages:18404-18411
Subtype期刊论文
AbstractThe square-planar monomer NiL2 (Ni-1), L=2-ethoxy-6-(N-methyl-iminomethyl)phenolate, reacts with M(H2O)(6)(ClO4)(2), M=Ni or Co, to form heptanuclear disks [CoxNi7-x(OH)(6)(L)(6)](ClO4)(2)2CH(3)CN (CoxNi7-x, x=0-7) and the co-crystal [CoxNi7-x(OH)(6)L-6][NiL2](ClO4)(2)2CH(3)CN (CoxNi7-x-Ni-1) under ambient conditions. It has proved possible to explore the bottom-up assembly process of CoxNi7-x and CoxNi7-x-Ni-1 in real time. The final products have been characterized by thermogravimetric analysis, IR, elemental analysis, ICP-MS, and single-crystal X-ray diffraction. Time-dependent mass spectrometry (MS) revealed the following reaction steps: Ni-1[M2L3](+)[M-4(OH)(2)L-4](2+)[M-7(OH)(6)L-6](2+). In contrast, the reaction of Ni-1 with Zn2+ only reaches halfway, and crystallographic evidence indicates a butterfly structure for [Zn2Ni2(OH)(2)Cl-2] (Zn2Ni2), an intermediate that is difficult to isolate in the above Ni-Co series. A summation method has been used to analyze the MS of bimetallic clusters with very similar atomic masses, as is the case for Co and Ni. The results provide ample information on the distribution of Co and Ni within each cluster and their statistical distribution within selected crystals.
KeywordAssembly Processes Crystal Growth Exafs Spectroscopy Mass Spectrometry Mixed-metal Clusters
DOI10.1002/chem.201603652
Indexed BySCI
Language英语
WOS IDWOS:000390600900019
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/26631
Collection中科院上海应用物理研究所2011-2018年
Corresponding AuthorZeng, MH (reprint author), Guangxi Normal Univ, Key Lab Chem & Mol Engn Med Resources, Guilin 541004, Peoples R China.; Zeng, MH (reprint author), Hubei Univ, Coll Chem & Chem Engn, Wuhan 430062, Peoples R China.
Recommended Citation
GB/T 7714
Na, HX,Yang, PY,Yin, Z,et al. Stepwise Assembly of M-7(II) Clusters Revealed by Mass Spectrometry, EXAFS, and Crystallography[J]. CHEMISTRY-A EUROPEAN JOURNAL,2016,22(51):18404-18411.
APA Na, HX.,Yang, PY.,Yin, Z.,Wang, YH.,Chang, LX.,...&Zeng, MH .(2016).Stepwise Assembly of M-7(II) Clusters Revealed by Mass Spectrometry, EXAFS, and Crystallography.CHEMISTRY-A EUROPEAN JOURNAL,22(51),18404-18411.
MLA Na, HX,et al."Stepwise Assembly of M-7(II) Clusters Revealed by Mass Spectrometry, EXAFS, and Crystallography".CHEMISTRY-A EUROPEAN JOURNAL 22.51(2016):18404-18411.
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