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, 290 (5489), 117-8

Xenon as a Complex Ligand: The Tetra Xenono Gold(II) Cation in AuXe(4)2+(Sb(2)F(11)-)(2)

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Xenon as a Complex Ligand: The Tetra Xenono Gold(II) Cation in AuXe(4)2+(Sb(2)F(11)-)(2)

S Seidel et al. Science.

Abstract

The first metal-xenon compound with direct gold-xenon bonds is achieved by reduction of AuF(3) with elemental xenon. The square planar AuXe(4)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 final sigma donor type, resulting in a charge of approximately 0.4 per xenon atom.

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