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題名: | Synthesis and Structural Aspects of Two Trinuclear Cyano-bridged Heterometallic Complexes with Monodentate Coordination of Perchlorate and Acetate Anions |
作者: | Datta, Amitabha;Pillet, Sebastien;Chuang, Nien-Tsu;Lee, Hon-Man;Huang, Jui-Hsien |
貢獻者: | 化學系 |
關鍵詞: | CaII/FeIII Complex;Cyano Bridge;Trinuclear;Thermal Analysis |
日期: | 2010
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上傳時間: | 2012-12-10T01:39:57Z
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出版者: | Dieterich'sche Verlagsbuchhandlung, Wiesbaden (now Mainz) |
摘要: | Two new cyano-bridged trinuclear heterometallic complexes [Ca2(phen)4(ClO4)(H2O)3- Fe(CN)6]·H2O (1) and [Ca2 (phen)4(CH3COO)(H2O)3Fe(CN)6]·2H2O (2) (where phen = 1,10- phenanthroline) have been synthesized and characterized by single-crystal X-ray diffraction techniques, IR spectroscopyand thermogravimetric analysis. The structure of complex 1 features a central [Fe(CN)6]3− unit that links a monocation [Ca(phen)2(H2O)(ClO4)]+ and a dication [Ca(phen)2- (H2O)2]2+ via two trans cyanide bridges. Similarly, complex 2 also features a central [Fe(CN)6]3− unit that links a monocation [Ca(phen)2(H2O)(CH3COO)]+ and a dication [Ca(phen)2(H2O)2]2+ via two trans cyanide bridges. In 1 and 2, both Ca centers are seven-coordinated and achieve a pentagonal- bipyramidal geometry whereas the Fe center in both the complexes possesses a distorted octahedral geometry. Intra- and intermolecular hydrogen bonding networks are present in 1 and 2 that impart the overall molecular stabilityto both the systems. |
關聯: | Zeitschrift fuer Naturforschung B, 65: 1106-1112 |
顯示於類別: | [化學系] 期刊論文
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