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- W2011939041 abstract "Sowohl α- wie β-UF5 bilden mit SbF5 in direkter Reaktion nur ein 1:2-Addukt UF5 · 2SbF5, aus dem UF5 · SbF5 durch thermischen Abbau erhalten werden kann. UF5 · 2SbF5 kristallisiert in der monoklinen Raumgruppe P21/c mit den Gitterkonstanten a = 8,110(4), b = 14,129(6), c = 10,032(6) Å und β = 96,97(5)°; Z = 4. Eine Röntgenstrukturanalyse ergibt, daß zentrosymmetrische, aus UF8- und SbF6-Polyedern gebildete Vierringe vorliegen, die über weitere SbF6-Einheiten miteinander verknüpft sind. Die Struktur ähnelt stark derjenigen von UOF4 · 2SbF5, jedoch ist die dort beobachtete verzerrt pentagonal-bipyramidale Koordination des U-Atoms in UF5 · 2SbF5, durch eine zusätzliche UFSb-Brücke mit allerdings größerem UF-Abstand zur dodekaedrischen Koordination aufgeweitet. Adducts of UF5 with SbF5 and Structure of UF5 · 2 SbF5 Both α- and β-UF5 form only a 1:2 compound UF5 · 2SbF5 reacting directly with SbF5, from which UF5 · SbF5 can be obtained by thermal decomposition. UF5 · 2SbF5 crystallizes in the monoclinic space group P21/c with the following lattice constants a = 8.110(4), b = 14.129(6), c = 10.032(6) Å and β = 96.97(5)°; Z = 4. An X-ray study shows centrosymmetric four-membered rings of alternating UF8 and SbF6 polyhedra, connected by other SbF6 entities. This structure is similar to that of UOF5 · 2SbF5, but the distorted pentagonal-bipyramidal coordination of the U atom found there is increased to a dodecahedral coordination by an additional UFSb bridge, though with a somewhat larger UF distance." @default.
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- W2011939041 date "1980-10-01" @default.
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- W2011939041 title "Die Addukte von UF5 mit SbF5 und die Struktur des UF5 � 2SbF5" @default.
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- W2011939041 doi "https://doi.org/10.1002/zaac.19804690112" @default.
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