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- W2012091981 abstract "The phosphino-substituted sulphur diimide, S(NPtBu2)2, reacts with the trinuclear osmium clusters Os3(CO)11(NCMe) and H2Os3(CO)10 with cleavage of one of the NS bonds to give the cluster compounds Os3(CO)11[PtBu2(NH2)] (I) and HOs3(CO)9[PtBu2N(H)S] (II), respectively. In the solid state, I contains a closed Os3 triangle with the phosphine ligand bonded equatorially to an osmium atom through the phosphorus. In solution intramolecular dynamic processes are observed which are explained by carbonyl migration and pseudoration mechanisms. The osmium cluster II, in the solid state, forms an irregular Os3 triangle which is bridged by a [PtBu2N(H)S] system, and the longest edge of which is bridged by a μ2-hydride. In contrast to I, molecule II is relatively rigid in solution; only pseudorotations are observed as dynamic phenomena. Das phosphino-substituierte Schwefeldiimid S(NPtBu2)2 reagiert mit den dreikernigen Osmiumclustern Os3(CO)11(NCMe) und H2Os3(CO)10 unter spaltung einer NS-Bindung zu den Clusterverbindungen Os3(CO)11[PtBu2(NH2)] (I) bzw. HOs3(CO)9[PtBu2N(H)S] (II). Im festen Zustand enthält I ein geschlossenes Os3-Dreieck; der Phosphanligand ist über Phosphor equatorial an ein Osmiumatom gebunden. In Lösung treten intramolekulare dynamische Prozesse auf, die mit Hilfe von Carbonylwanderungs- and Pseudorotations-Mechanismen erklärt werden. Der Osmiumcluster II bildet im festen Zustand ein irregulaäres Os3-Dreieck, das von einem [PtBu2N(H)S]-System überbrückt wird und dessen längste Kante Eine μ2-Hydridbrücke trägt. Im Gegensatz zu I ist das Molekül II in Lösung weitgehend starr; als dynamische Phänomene treten nur Pseudorotationen auf." @default.
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- W2012091981 date "1983-06-01" @default.
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- W2012091981 title "Fragmentierung des schwefeldiimidsystems in tBu2PN=S=NPtBu2 an dreikernigen osmiumclustern. Synthese, feströrperstruktur und dynamische eigenschaften von Os3(CO)11[PtBu2(NH2)] und HOs3(CO)9PtBu2N(H)S]" @default.
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- W2012091981 doi "https://doi.org/10.1016/0022-328x(83)85023-2" @default.
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