Abstract
Difluoro(germylthio)phosphine, PF2(SGeH3), has been prepared by the reaction of S(PF2)2 with GeH3Cl, and has been characterised by i.r.,Raman, n.m.r. and mass spectroscopy. Cleavage reactions with Cl2 and HBr, donor reactions of the phosphorus atom and exchange reactions with platinum complexes have been studied. The molecular structure of PF2(SGeH3) in the gas phase has been determined by electron diffraction. Principal parameters (r a) are:r(Ge−S) 225.6(4)pm;r(P−S) 211.5(8)pm;r(P−F) 159.0(9)pm; <(GeSP) 99.0(6)° <(SPF) 99.9(4)° <(FPF) 97.0(10)°. The conformation adopted is such that there are short non-bonded F...H contacts, with the PF2 group twisted 18° from the position in which the FPF angle bisector eclipses the Ge−S bond.
Zusammenfassung
PF2(SGeH3) wurde über die Reaktion von S(PF2)2 mit GeH3Cl dargestellt und mittels IR,Raman, NMR and MS charakterisiert. Es wurden Spaltungs-reaktionen mit Cl2 und HBr, Donor-Reaktionen des Phosphor und Austausch-reaktionen mit Platinkomplexen untersucht. Die Molekülstruktur von PF2(SGeH3) in der Gasphase wurde mittels Elektronendiffraktion bestimmt. Die Hauptparameter (r a) sind:r(Ge−S) 225,6(4)pm;r(P−S) 211,5(8)pm;r(P−F) 159,0(9)pm; <(GeSP) 99,0(6)° <(SPF) 99,9(4)° <(FPF) 97,0(10)°.
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Ebsworth, E.A.V., Macdonald, E.K. & Rankin, D.W.H. The preparation, properties and gas-phase molecular structure of difluoro(germylthio)phosphine. Monatshefte für Chemie 111, 221–233 (1980). https://doi.org/10.1007/BF00938730
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DOI: https://doi.org/10.1007/BF00938730