首页> 美国卫生研究院文献>Acta Crystallographica Section E: Crystallographic Communications >Crystal structures of bis­2-(pyridin-2-yl)phenyl-κ2NC1rhodium(III) complexes containing an aceto­nitrile or monodentate thyminate(1−) ligand
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Crystal structures of bis­2-(pyridin-2-yl)phenyl-κ2NC1rhodium(III) complexes containing an aceto­nitrile or monodentate thyminate(1−) ligand

机译:双­ 2-(吡啶-2-基)苯基-κ2的晶体结构碳氮1含乙腈或单齿胸苷(1-)配体的铑(III)配合物

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摘要

The crystal structures of bis­[2-(pyridin-2-yl)phen­yl]rhodium(III) complexes with the metal in an octahedral coordination containing chloride and aceto­nitrile ligands, namely (OC-6-42)-aceto­nitrile­chlorido­bis­[2-(pyridin-2-yl)phenyl-κ2 N,C 1]rhodium(III), [RhCl(C11H8N)2(CH3CN)] (>1), thyminate(1−) and methanol, namely (OC-6-42)-methanol(5-methyl-2,4-dioxo-1,2,3,4-tetrahydro­pyrimidin-1-ido-κN 1)bis­[2-(pyridin-2-yl)phenyl-κ2 N,C 1]rhodium(III), [Rh(C11H8N)2(C5H5N2O2)(CH3OH)]·CH3OH·0.5H2O (>2), and thy­min­ate(1−) and ethanol, namely (OC-6-42)-ethanol(5-methyl-2,4-dioxo-1,2,3,4-tetra­hydro­pyrimidin-1-ido-κN 1)bis[2-(pyridin-2-yl)phenyl-κ2 N,C 1]rhodium(III), [Rh(C11H8N)2(C5H5N2O2)(C2H5OH)]·C2H5OH (>3), are reported. The aceto­nitrile complex, >1, is isostructural with the IrIII analog. In complexes >2 and >3, the monodeprotonated thyminate (Hthym) ligand coordinates to the RhIII atom through the N atom, and the resulting Rh—N(Hthym) bond lengths are relatively long [2.261 (2) and 2.252 (2) Å for >2 and >3, respectively] as compared to the Rh—N bonds in the related thyminate complexes. In each of the crystals of >2 and >3, the complexes are linked via a pair of inter­molecular N—H⋯O hydrogen bonds between neighbouring Hthym ligands, forming an inversion dimer. A strong intra­molecular O—H⋯O hydrogen bond between the thyminate(1−) and alcohol ligands in mutually cis positions to each other is also observed.
机译:双[2-(吡啶-2-基)苯基]铑(III)与金属在八面体配位化合物中的晶体结构,含有氯化物和乙腈配体,即(OC-6-42)-乙腈氯代双[2-(吡啶) -2-yl)phenyl-κ 2 N,C 1 ]铑(III),[RhCl(C11H8N)2(CH3CN)](> 1 ),胸苷(1-)和甲醇,即(OC-6-42)-甲醇(5-甲基-2,4-二氧-1,2,3,4-四氢嘧啶-1-基-κN 1 )双[2-(吡啶-2-基)苯基-κ 2 N,C 1 ]铑(III),[Rh(C11H8N )2(C5H5N2O2)(CH3OH)]·CH3OH·0.5H2O(> 2 ),以及胸腺嘧啶(1-)和乙醇,即(OC-6-42)-乙醇(5-甲基-2) ,4-二氧-1,2,3,4-四氢嘧啶-1-基-κN 1 )双[2-(吡啶-2-基)苯基-κ 2 N,C 1 ]铑(III),[Rh(C11H8N) 2 (C 5 H 5 N 2 O 2 )(C 2 H 5 OH)]·C 2 H 5 OH(> 3 )。乙腈络合物> 1 与Ir III 类似物是同构的。在配合物> 2 和> 3 中,单去质子化的胸腺嘧啶(Hthym -)配体通过R配位至Rh III 原子。 N原子,并且得到的Rh-N(Hthym)键长相对较长[> 2 和> 3 分别为2.261(2)和2.252(2)Å]与相关的胸腺嘧啶络合物中的Rh-N键相比。在> 2 和> 3 的每个晶体中,配合物通过相邻的Hthym -配体,形成反向二聚体。还观察到在彼此相互顺式位置的胸腺嘧啶(1-)和醇配体之间的强分子内OH-O氢键。

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