Behavior of Dodecahydro-closo-dodecaborate Anion
in Reaction with Au(Ph₃P)Cl

V. V. Avdeeva, E. A. Malinina, O. N. Belousova, L. V. Goeva, I. N. Polyakova, and N. T. Kuznetsov

Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences,
Leninskii pr. 31, Moscow, 119991 Russia

Received November 18, 2009

Abstract—The reaction of the anion with [Au(Ph₃P)Cl] in acetonitrile was studied. The nature of the
initial cation of the closo-dodecaborate and the reagent ratio was shown to affect complexing. The X-ray struc-
tures of compounds Au(Ph₃P)₂[AgB₁₂H₁₂] (I) and [Au₉(Ph₃P)₈]B₂₄H₂₃ (II) were determined. Complex I is the
first example where is coordinated to silver(I) atoms in the face coordination mode. In complex II,
is oxidized to the dimeric trianion where the two icosahedra are linked by a B–H–B' bridge.

DOI: 10.1134/S003602361104005X

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