The reaction of Ag2 C2 with a concentrated aqueous solution of AgF leads to the title compound, in which the dianion C22- is completely enclosed in the Ag9 cage of a chandelierlike arrangement of ten silver atoms.
Keywords: Acetylene; Carbides; Clusters; Fluorine; Silver.
© 1998 WILEY-VCH Verlag GmbH, Weinheim, Fed. Rep. of Germany.