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Xenon as a Complex Ligand: The Tetra Xenono Gold(II) Cation in AuXe42+(Sb2F11)2

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Science  06 Oct 2000:
Vol. 290, Issue 5489, pp. 117-118
DOI: 10.1126/science.290.5489.117

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Abstract

The first metal-xenon compound with direct gold-xenon bonds is achieved by reduction of AuF3 with elemental xenon. The square planar AuXe4 2+ cation is established by a single-crystal structure determination, with a gold-xenon bond length of approximately 274 picometers. The bonding between gold and xenon is of the σ donor type, resulting in a charge of approximately 0.4 per xenon atom.

  • * To whom correspondence should be addressed. E-mail: seppelt{at}chemie.fu-berlin.de

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