National Tsing Hua University Institutional Repository:Synthesis and Characterization of Two Novel Tetranuclear Sodium Ketoiminate Complexes; Structural Evidences for Formation of the Dative Na…F and Na-C(olefin) Bonding Interactions
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    National Tsing Hua University Institutional Repository > 歷任校長 > 劉兆玄 (1987-1993) > 期刊論文 >  Synthesis and Characterization of Two Novel Tetranuclear Sodium Ketoiminate Complexes; Structural Evidences for Formation of the Dative Na…F and Na-C(olefin) Bonding Interactions


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    题名: Synthesis and Characterization of Two Novel Tetranuclear Sodium Ketoiminate Complexes;Structural Evidences for Formation of the Dative Na…F and Na-C(olefin) Bonding Interactions
    作者: Chi, Y.;Ranjan, S.;Chung, P. W.;Liu, C. S.;Peng, S. M.;Lee, G. H.
    教師: 劉兆玄
    日期: 2000
    出版者: Royal Society of Chemistry
    關聯: JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS, Royal Society of Chemistry, Issue 3, 2000, Pages 343-347
    关键词: CHEMICAL-VAPOR-DEPOSITION
    X-RAY STRUCTURES
    SUPERCONDUCTING ELECTRONICS
    THIN-FILMS
    PRECURSORS
    LITHIUM
    MOCVD
    CVD
    COORDINATION
    DIFFRACTION
    摘要: Treatment of fluorinated beta-ketoiminate ligands MokeimH or AlkeimH with NaH in THF solution afforded the corresponding ketoiminatosodium complexes [Na(Mokeim)](4) 1 and [Na(Alkeim)](4) 2, MokeimH=(CF3)C(=O)CH=C(CF3)NH(CH2CH2OMe) and AlkeimH=(CF3)C(=O)CH=C(CF3)NH(CH2CH=CH2). These new complexes were characterized by spectroscopic methods, elemental analyses and X-ray diffraction studies. Complex 1 consists of a tetrameric Na4O4 cubane core arrangement, of which each sodium atom is surrounded by a tridentate ketoiminato ligand, two oxygen atoms from nearby ketoiminato ligands, and one or two weak Na ... F dative interactions. The core structure of 2 is similar, but with formation of the uncommon allyl to sodium pi interaction. The stabilization of this Na-C (olefin) bonding interaction is as effective as the Na-O (ether) dative bonding in 1 because 2 shows comparable thermal stability and even an enhanced volatility during sublimation.
    相関连結: http://www.rsc.org/
    URI: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/81109
    显示于类别:[劉兆玄 (1987-1993)] 期刊論文
    [化學系] 期刊論文

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