Reaktionen von R4Sb2 (R = Me, Et) mit (Me3SiCH2)3M (M = Ga, In) und Kristallstrukturen von [(Me3SiCH2)2InSbMe2]3 und [(Me3SiCH2)2GaOSbEt2]2

Fluorescence Microscopy with 6 nm Resolution on DNA Origami

“…It was generated in a Knudsen cell by reaction of gaseous SbCl 3 with oxygen over metallic silver at 1313 K and subsequent mass spectrometric detection 19,20. The central triangular [OGa 2 Sb] fragment was already observed in the structure of [(Me 3 SiCH 2 ) 2 GaOSbEt 2 ] 2 21. Generally, the trigonal‐planar [ M 3 O] fragment with one oxygen atom coordinated by three metal atoms is known for several main group and transition metals.…”

Reactions of Et4Bi2 with tBu3M (M=Al, Ga)-Synthesis of Complexes with a Bidentate Dibismuthane Ligand

“…For comparison, isoelectronic ICl has a IÀCl bond length of 230.3 pm in the gaseous state and of 235.1 ± 244.0 pm in the solid. [7] Similarly to the XeF and KrF ion, [8,9] a contact is observed between the XeCl ion and an F atom of the Sb 2 F 11 À ion, which leads to…”

“…[6] Distibane bisadducts are stable in the pure form, but readily undergo consecutive reactions in solution under SbÀSb bond cleavage to give four-and six-membered heterocycles of type F. [6] An analogous reaction pathway was observed by Breunig In. [7] The low stability of the distibane bisadducts [Sb 2 R 4 ][MR' 3 ] 2 is not surprising, since the stability of the EÀE bond in tetraorganodipnicogens R 4 E 2 generally decreases with increasing atomic number of the central pnicogen E. Consequently, distibanes and dibismuthanes exhibit the strongest tendency toward disproportionation into the elemental pnicogens E and triorganopnicogens R 3 E. As a result only a few stable dibismuthanes have been synthesized and structurally characterized, [8] and, to the best of our knowledge, dibismuthanes have not been reported to serve as a mono-or bidentate ligand. Evidently, both the very weak BiÀBi bond and the high s character of the lone pairs of electrons limit their potential for further complexation reactions.…”

Reaktionen von Et4Bi2 mittBu3M (M=Al, Ga) - Synthese von Komplexen mit einem zweizähnigen Dibismutanliganden

“…Distiban‐Bisaddukte sind in isolierter Form stabil, reagieren in Lösung jedoch leicht unter Sb‐Sb‐Bindungsspaltung zu vier‐ und sechsgliedrigen Heterocyclen vom Typ F 6. Ein analoger Reaktionsverlauf wurde von Breunig et al bei der Reaktion von Me 4 Sb 2 mit (Me 3 SiCH 2 ) 3 In beobachtet, bei der das sechsgliedrige Stibinoindan [{(Me 3 SiCH 2 ) 2 InSbMe 2 } 3 ] erhalten wurde 7…”