Molecular Complexes Featuring Unsupported Dispersion-Enhanced Aluminum–Copper and Gallium–Copper Bonds | Zendy

Kristian L. Mears | Zendy; Cary R. Stennett | Zendy; Elina K. Taskinen | Zendy; Caroline E. Knapp | Zendy; Claire J. Carmalt | Zendy; Heikki M. Tuon | Zendy; Philip P. Power | Zendy

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Molecular Complexes Featuring Unsupported Dispersion-Enhanced Aluminum–Copper and Gallium–Copper Bonds

Author(s) -

Kristian L. Mears,

Cary R. Stennett,

Elina K. Taskinen,

Caroline E. Knapp,

Claire J. Carmalt,

Heikki M. Tuon,

Philip P. Power

Publication year - 2020

Publication title -

journal of the american chemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 7.115

H-Index - 612

eISSN - 1520-5126

pISSN - 0002-7863

DOI - 10.1021/jacs.0c10099

Subject(s) - chemistry , copper , gallium , pentane , metal , aluminium , dispersion (optics) , density functional theory , toluene , inorganic chemistry , crystallography , computational chemistry , organic chemistry , physics , optics

The reaction of the copper(I) β-diketiminate copper complex {(Cu(BDI Mes )) 2 (μ-C 6 H 6 )} (BDI Mes = N , N '-bis(2,4,6-trimethylphenyl)pentane-2,4-diiminate) with the low-valent group 13 metal β-diketiminates M(BDI Dip ) (M = Al or Ga; BDI Dip = N , N '-bis(2,6-diisopropylphenyl)pentane-2,4-diiminate) in toluene afforded the complexes {(BDI Mes )CuAl(BDI Dip )} and {(BDI Mes )CuGa(BDI Dip )}. These feature unsupported copper-aluminum or copper-gallium bonds with short metal-metal distances, Cu-Al = 2.3010(6) Å and Cu-Ga = 2.2916(5) Å. Density functional theory (DFT) calculations showed that approximately half of the calculated association enthalpies can be attributed to London dispersion forces.

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