4.7 Article

A dicoordinate gold(i)-ethylene complex

Journal

CHEMICAL COMMUNICATIONS
Volume 57, Issue 73, Pages 9280-9283

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/d1cc02769g

Keywords

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Funding

  1. European Research Council (ERC) [756575]
  2. Spanish Ministry of Science and Innovation [PID2019-110856GA-I00, PID2019-106184GB-I00, RED2018-102387-T, FJC2018-035514-I]
  3. Junta de Andalucia [DOC_00149, DOC_00153]

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In this study, the first dicoordinate gold(i)-ethylene adduct was isolated and characterized using a bulky tris-2-(4,4 '-di-tert-butylbiphenylyl)phosphine ligand. Density Functional Theory (DFT) calculations showed that pi-backdonation plays a minor role in its bonding situation compared to tricoordinate analogues.
The use of the exceptionally bulky tris-2-(4,4 '-di-tert-butylbiphenylyl)phosphine ligand allows the isolation and complete characterization of the first dicoordinate gold(i)-ethylene adduct, filling a missing fundamental piece on the organometallic chemistry of gold. Besides, the bonding situation of this species has been investigated by means of state-of-the-art Density Functional Theory (DFT) calculations indicating that pi-backdonation plays a minor role compared with tricoordinate analogues.

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