Trichloro-bridged diruthenium (III,III) complexes: X-ray isomorphous structures of [Ph3X=O···H···O=XPh3][Ru2Cl7(XPh3)2]·0.5(CH2Cl2)(H2O)(X = As or P) |
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| Authors: | de Araujo Márcio P Queiroz Salete L Batista Alzir A Panepucci Ezequiel H Oliva Glaucius Castellano EE |
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| Institution: | (1) Instituto de Química/UNESP, CP 355, 14800-900 Araraquara(SP), Brazil;(2) Departmento de Química, Universidade Federal de São Carlos, C.P. 676, 13565-905 São Carlos(SP), Brazil;(3) Instituto de Física de São Carlos, Universidade de São Paulo, C.P. 369, 13560-970 São Carlos(SP), Brazil |
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| Abstract: | The triply chloro-bridged binuclear complexes Ph3X=O···H···O=XPh3]Ru2Cl7(XPh3)2]·0.5(CH2Cl2)(H2O) (X = As or P) were obtained from RuCl3(XPh3)2DMA]·DMA (DMA = dimethylacetamide) CH2Cl2/Et2O solution. The structures were characterized by X-ray diffraction studies. The complexes are formed from two Ru atoms bridged by three chloride anions. The two ruthenium atoms are also coordinated to two non-bridging Cl atoms and an AsPh3 or PPh3 ligand respectively. As an interesting feature, the cations of these complexes are protons, trapped in a very short hydrogen bond between two triphenylarsine or triphenylphosphine oxide molecules. |
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