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Synfacts 2005(3): 0301-0301  
DOI: 10.1055/s-2005-921588
Synthesis of Heterocycles
© Georg Thieme Verlag Stuttgart · New York

The Synthesis of an N-Heterocyclic Carbene-Stabilized Gold(I) Fluoride

Contributor(s): Victor Snieckus, Sunny Lai
D. S. Laitar, P. Müller, T. G. Gray*, P. Sadighi*
Massachusetts Institute of Technology, Cambridge, and case western reserve university, cleveland, USA
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Publikationsdatum:
22. November 2005 (online)

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Significance

The first isolation of a gold(I) fluoride complex is reported. Analysis by X-ray diffraction demonstrated the near linear coordination geometry of the Au-F bond which, in a solid state, has a monomeric structure in which the fluorine atom bears a partial negative charge and the gold(I) atom has a partial positive charge. The lengthening of the Au-F bond was attributed to the hydrogen bonding with CH2Cl2, the solvent used for recrystallization.