Anions of 1,3,5-Benzenetricarboxylic and Heptanedioic Acids Serving as Bridges between Dimolybdenum(V) Metal-Metal Bonded Units: Preparation and Structural Characterization of Dinuclear and Tetranuclear Complexes

作者: Barbara Modec , Jurij V. Brenčič

DOI: 10.1002/EJIC.200500469

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摘要: (PyH) 5 [MoOCl 4 (H 2 O)] 3 Cl and (PyH)[MoOBr ] reacted with the anions of 1,3,5-benzenetricarboxylic acid (btcH ) heptanedioic (hdaH to afford a series novel carboxylato complexes based on (Mo O + structural core: [Mo (μ -btcH )]Cl (1), Br )]Br (2), [(Mo Py -btcH) ].6Py (3), (PYH) 6 -[(Mo -hda)].2CH CN (4), 1 0 ((Mo -(μ -hda)](MoOCl ]Cl (5) (Py = pyridine, C H N; PyH pyridinium cation, NH ; btcH - (HOOC) COO (HOOC)C (COO) hda -OOC(CH -COO ). A pair isostructral compounds contains dinuclear X )] (X Cl, Br) in which ligand is bonded core via one carboxylate group syn-syn bidentate bridging manner. In 3, two ligands link cores into loop-like structure. Each coordinated groups, manner another monodentate The linkage subunits was also realized -hda)] , anion 5, where both groups bind bidentate-bridging cores. title were characterized by X-ray crystallography infrared spectroscopy.

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