Structural, spectroscopic and electronic properties of a family of face-shared bi-octahedral Ru-2(5+/6+) complexes with a bridging 2,5-di(2-pyridyl)pyrro-lide ligand

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Structural, spectroscopic and electronic properties of a family of face-shared bi-octahedral Ru-2(5+/6+) complexes with a bridging 2,5-di(2-pyridyl)pyrro-lide ligand

机译：具有桥接2,5-DI（2-吡啶基）吡咯型配体的面部共用双八面体Ru-2（5 + / 6 +）配合物系列的结构，光谱和电子性质

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A family of Ru-2 dimers, [Ru-2(mu-kappa N-2,N':kappa N-2',N ''-dpp)(2)(mu-X)(X)(2)](q+) (X = Cl, Br, q = 0 and X = I, q = 1) is synthesized from a [Ru-2(OAc)(4)Cl] paddlewheel starting material. The neutral products are mixed-valence Ru-2(5+) dimers with a Ru-Ru bond order of 0.5, while the cationic iodide is a Ru-2(6+) dimer with formal bond order of 1.0. The Ru-Ru distance is strikingly independent of the identity of the halide and the oxidation state of ruthenium, most likely a consequence of the small bridging nitrogen which constrains the geometry. The spectroscopic properties (EPR, UV/Vis) of the Br complex are consistent with a large sigma-sigma* splitting in [Ru-2(mu-kappa N-2,N':kappa N-2',N ''-dpp)(2)(mu-Br)(Br)(2)].

机译：一个Ru-2二聚体的家庭，[Ru-2（mu-kappa n-2，n'：kappa n-2'，n'-dpp）（2）（mu-x）（x）（2）] （Q +）（X = CL，BR，Q = 0和X = I，Q = 1）由[RU-2（OAC）（4）CL]桨轮原料合成。中性产物是混合价Ru-2（5+）二聚体，Ru-ru键序列为0.5，而阳离子碘化物是Ru-2（6+）二聚体，具有1.0的正式键序列。 Ru-ru距离与卤化物的身份和钌的氧化态相似，最可能是限制几何形状的小桥接氮的结果。 Br复合物的光谱性质（EPR，UV / VI）与[RU-2（MU-Kappa N-2，N'：Kappa N-2'，N''中的大的Sigma-Sigma *分裂一致 - DPP）（2）（MU-BR）（BR）（2）]。

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《Dalton transactions: An international journal of inorganic chemistry》 |2020年第21期|共7页
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机译：具有桥接2,5-DI（2-吡啶基）吡咯型配体的面部共用双八面体Ru-2（5 + / 6 +）配合物系列的结构，光谱和电子性质
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Structural, spectroscopic and electronic properties of a family of face-shared bi-octahedral Ru-2(5+/6+) complexes with a bridging 2,5-di(2-pyridyl)pyrro-lide ligand

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