1988
DOI: 10.1002/zaac.19885620107
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Reaktionen der Arsinoschwefeldiimide tBu2As(NSN)AstBu2 und tBuAs(NSN)2AstBu mit Dreikern‐Clustern M3(CO)12 (M = Fe, Ru) — Röntgenstrukturanalyse von Fe2(CO)6[μ‐tBuAs(NSN)AstBu]

Abstract: Bei der Umsetzung von Bis(di‐tert‐butyl‐arsino)schwefeldiimid, tBu2As(NSN)AstBu2 (1), mit Ru3(CO)12 wurde ein dreikerniger Cluster (μ2‐H)Ru3(CO)8(μ3‐AstBu)(μ2‐NSNAstBu2) (6b) isoliert, der eine Hydridbrücke, eine dreifach verbrückende tBuAs‐Einheit sowie ein Bruchstück (NSNAstBu2) enthält, in dem die NSN‐Kette des ursprünglichen Schwefeldiimids 1 noch erhalten geblieben ist. Bei der analogen Reaktion mit Fe3(CO)12 bildet sich — unter weitergehender Fragmentierung von 1 — der bekannte Cluster Fe3(CO)9(μ3‐S)(μ3‐… Show more

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Cited by 9 publications
(1 citation statement)
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“…This distance is between 0.08 and 0.15 Á longer than the average distances reported for other clusters containing an arsenic-iron single bond such as As2Fe3-(CO)9 (2.348(2) Á),19 Fe2(CO)6(AsMe2)2 (2.319(10) Á),20 Fe2(CO)8AsFe2(CO)6Cl (2.36(1) Á),21 AsFe3(CO)9CH (2.370(10) A),22 (CO)5CrAsFe3(CO)9CH (2.354(6) A),22 Fe3(CO)9(StBu)(AsMe2) (2.378(6) A),23 and Fe2(CO)6-[tBuAs(NSN)AstBu] (2.3241(10) A). 24 In the spirocyclic cluster As2Fee(CO)2212 the Fe-As bonds between the arsenic and the Fe2(CO)e are similar to the others reported in the literature (2.340(14) A); however, the Fe-As bonds between the Fe2(CO)s fragments and the arsenic atoms are of length comparable (2.407(12) A) to those seen in [I]2-. This lengthening of the As-Fe bonds in [I]2is probably caused by steric crowding of the carbonyls on the iron fragments.…”
Section: Discussionsupporting
confidence: 81%
“…This distance is between 0.08 and 0.15 Á longer than the average distances reported for other clusters containing an arsenic-iron single bond such as As2Fe3-(CO)9 (2.348(2) Á),19 Fe2(CO)6(AsMe2)2 (2.319(10) Á),20 Fe2(CO)8AsFe2(CO)6Cl (2.36(1) Á),21 AsFe3(CO)9CH (2.370(10) A),22 (CO)5CrAsFe3(CO)9CH (2.354(6) A),22 Fe3(CO)9(StBu)(AsMe2) (2.378(6) A),23 and Fe2(CO)6-[tBuAs(NSN)AstBu] (2.3241(10) A). 24 In the spirocyclic cluster As2Fee(CO)2212 the Fe-As bonds between the arsenic and the Fe2(CO)e are similar to the others reported in the literature (2.340(14) A); however, the Fe-As bonds between the Fe2(CO)s fragments and the arsenic atoms are of length comparable (2.407(12) A) to those seen in [I]2-. This lengthening of the As-Fe bonds in [I]2is probably caused by steric crowding of the carbonyls on the iron fragments.…”
Section: Discussionsupporting
confidence: 81%