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Lead(II) Siloxides.

Adrian-Alexandru Someşan1, Erwann Le Coz2, Ciprian Ionuţ Raţ1

  • 1Supramolecular Organic and Organometallic Chemistry Centre, Chemistry Department, Faculty of Chemistry and Chemical Engineering, Babeş-Bolyai University, Cluj-Napoca, 400028, Romania.

Chemistry (Weinheim an Der Bergstrasse, Germany)
|October 17, 2019
PubMed
Summary
This summary is machine-generated.

New lead(II) siloxide complexes, including a stable dinuclear compound, were synthesized. These findings challenge previous understanding of lead siloxide decomposition pathways and stability.

Keywords:
bulky siloxidesdecomposition pathwaylead(II) oxoclusterlead(II) siloxidestriphenyl siloxide

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Area of Science:

  • Inorganic Chemistry
  • Organometallic Chemistry
  • Materials Science

Background:

  • Lead(II) siloxides were previously known to decompose into oxoclusters.
  • The stability and decomposition pathways of lead siloxides required further investigation.

Purpose of the Study:

  • To synthesize and characterize novel lead(II) siloxide complexes.
  • To investigate the bonding and stability of a new dinuclear lead siloxide.
  • To establish decomposition pathways for lead siloxides.

Main Methods:

  • Synthesis of novel lead(II) siloxide complexes.
  • Crystallographic analysis of dinuclear lead siloxide.
  • Computational methods to study bonding patterns.

Main Results:

  • Synthesis of [{ROF }PbOSi(SiMe3 )3 ] and [Pb2 {OSi(SiMe3 )3 }{μ2 -OSi(SiMe3 )3 }3 ] complexes.
  • The dinuclear complex exhibits unusual bonding and high thermal stability.
  • Established decomposition pathways for previously elusive lead(II) bis(triphenylsiloxide).

Conclusions:

  • The synthesized dinuclear lead siloxide represents a significant advancement in understanding lead siloxide chemistry.
  • The high stability of the dinuclear complex contrasts with the known instability of simpler lead siloxides.
  • This work provides new insights into the structural diversity and reactivity of lead siloxides.