FcI9.67 contains bands and chains as substructures, which are linked together by up to sixfold‐coordinated iodine atoms to form a novel three‐dimensional network (see below). The ferrocenium ions Fc+ are intercalated in the cavities. These cations stabilize crystalline solids that contain not only known polyiodide ions but also FcI9.67, which can be described as the triply charged nonacosaiodide Fc3I29 and is the most iodine‐rich polyiodide known to date.
Ketten und Bänder enthält FcI9.67 als Substrukturen, die unter Verwendung bis zu sechsfach koordinierter Iodatome zu einem neuartigen Raumnetz verknüpft werden (siehe unten). In dessen Hohlräume sind die Ferrocenium‐Ionen Fc+ eingelagert. Diese Kationen stabilisieren in kristallinen Festkörpern nicht nur bekannte Polyiodid‐Ionen, sondern auch FcI9.67, das als dreifach geladenes Nonacosaiodid Fc3I29 beschreibbar und das bisher iodreichste Polyiodid ist.
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