首页> 外文期刊>Polyhedron: The International Journal for Inorganic and Organometallic Chemistry >DIOXOMOLYBDENUM(VI) AND DIOXOTUNGSTEN(VI) COMPLEXES OF ISOMERIC ONO DONOR LIGANDS AND THE X-RAY CRYSTAL STRUCTURE OF [MOO2(O-OC6H4CH=NCH2C6H4O)(MEOH)](2)CENTER-DOT-MEOH
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DIOXOMOLYBDENUM(VI) AND DIOXOTUNGSTEN(VI) COMPLEXES OF ISOMERIC ONO DONOR LIGANDS AND THE X-RAY CRYSTAL STRUCTURE OF [MOO2(O-OC6H4CH=NCH2C6H4O)(MEOH)](2)CENTER-DOT-MEOH

机译:异构Ono供体配体的二氧钼(VI)和二氧钨(VI)配合物以及[MOO2(O-OC6H4CH = NCH2C6H4O)(MEOH)](2)中心点-MEOH的X射线晶体结构

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摘要

Dioxomolybdenum(VI) and dioxotungsten(VI) complexes of two isomeric Schiff bases derived from salicylaldehyde, 2-hydroxy-1-naphthaldehyde and o-hydroxybenzylamine or o-aminobenzylalcohol have been prepared and characterized. H-1 NMR spectral data confirm the formation of [MO2L] (M = Mo or W, LH2 = ligand) types of complexes except the complex of dioxomolybdenum(VI) with the ligand salicylaldehyde-o-hydroxybenzylamine (H(2)sal-OHYBA) which forms [MoO2(sal-OHYBA). CH3OH]. An X-ray Study of [MoO2(sal-OHYBA) CH3OH] shows the presence of distorted octahedral geometry around molybdenum in which the tridentate ligand occupies meridional position where two anionic oxygens are mutually trans and are cis to the cis dioxo group. Generally the tungsten complex is more stable to decomposition than the molybdenum one within the same ligand. (C) 1997 Elsevier Science Ltd. [References: 25]
机译:已制备并表征了由水杨醛,2-羟基-1-萘醛和邻羟基苄胺或邻氨基苄基醇衍生的两个异构席夫碱的二恶钼(VI)和二恶钨(VI)配合物。 H-1 NMR光谱数据证实[MO2L](M = Mo或W,LH2 =配体)类型的配合物形成,除了二氧钼(VI)与配体水杨醛-邻-羟基苄胺(H(2)sal-形成[MoO2(sal-OHYBA)。 CH3OH]。 [MoO2(sal-OHYBA)CH3OH]的X射线研究表明,在钼周围存在扭曲的八面体几何形状,其中三齿配体占据子午线位置,其中两个阴离子氧相互交叉且顺式为顺式二氧代。通常,钨配合物比相同配体中的钼更稳定地分解。 (C)1997 Elsevier Science Ltd. [参考:25]

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