Aurosilane is an inorganic compound with a chemical formula of SiAu4. In this compound, gold acts as an electron acceptor with a valence of -1. Aurosilane has been isolated as a type of gold silane.[1] Its unit cell parameters are a=5.658, c=5.605 A.[2] The LUMO and the four Si-Au bonding orbitals of SiAu4 are similar to those of SiH4.[3]

Aurosilane
Names
IUPAC name
Tetraaurosilane
Other names
Silicon tetraauride
Identifiers
3D model (JSmol)
  • InChI=1S/4Au.Si
    Key: HAWKSDAOUYSVMB-UHFFFAOYSA-N
  • [Au][Si]([Au])([Au])[Au]
Properties
SiAu4
Molar mass 675.159
Related compounds
Other anions
silane
Other cations
caesium auride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

In addition, silicon can also form other compounds with gold such as Si3Au3[4]

References

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  1. ^ Kiran, Boggavarapu; Li, Xi; Zhai, Hua-Jin; Cui, Li-Feng; Wang, Lai-Sheng (2004-04-13). "[SiAu4]: Aurosilane". Angewandte Chemie International Edition. 43 (16): 2125–2129. doi:10.1002/anie.200353602. ISSN 1433-7851. PMID 15083462.
  2. ^ Tasci, Emre S.; Sluiter, Marcel H.F.; Pasturel, Alain; Villars, Pierre (January 2010). "Liquid structure as a guide for phase stability in the solid state: Discovery of a stable compound in the Au–Si alloy system". Acta Materialia. 58 (2): 449–456. Bibcode:2010AcMat..58..449T. doi:10.1016/j.actamat.2009.09.023. Archived from the original on 2020-02-12. Retrieved 2019-11-19.
  3. ^ Atomic Clusters: From Gas Phase to Deposited. Elsevier. 2007-05-24. ISBN 978-0-08-047595-0.
  4. ^ Kiran, Boggavarapu; Li, Xi; Zhai, Hua-Jin; Wang, Lai-Sheng (2006). "Gold as hydrogen: Structural and electronic properties and chemical bonding in Si3Au3+/0/-and comparisons to Si3H3+/0/-" (PDF). The Journal of Chemical Physics. 125 (125): 133204. Bibcode:2006JChPh.125m3204K. doi:10.1063/1.2216707. PMID 17029451. Archived from the original (PDF) on 2015-12-25. Retrieved 2023-05-20.

External reading

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