Silver and gold dimers. Crystal and molecular structure of Ag2(dmpm)2Br2 and [Au2(dmpm)2](PF6)2 and relation between metal-metal force constants and metal-metal separations

Perreault, Daniel; Drouin, Marc; Michel, A. G.; Miskowski, Vincent M.; Schaefer, William P.; Harvey, Pierre D.

doi:10.1021/ic00030a031

Cited by 118 publications

(77 citation statements)

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“…The 42 cm Ϫ1 frequency was assigned as the AuϪAu stretching vibration and fell [a] Frequencies of ν(AuϪAu) from ref. [55] well within the experimental range reported for such vibrations, [55] suggesting weak aurophilicity between the two Au I atoms in the 1 AЈ ground state. The CIS method was used to optimize the structure of the excited state of [(AuPH 3 ) 2 (i-mnt)].…”

Section: A Structures Of the Ground And Excited States Of [(Auph 3 )supporting

confidence: 83%

Ab initio Study on Luminescence and Aurophilicity of a Dinuclear [(AuPH₃)₂(i‐mnt)] Complex (i‐mnt = isomer‐Malononitriledithiolate)

Pan

Zhang

2003

Eur J Inorg Chem

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Section: A Structures Of the Ground And Excited States Of [(Auph 3 )supporting

confidence: 83%

Ab initio Study on Luminescence and Aurophilicity of a Dinuclear [(AuPH₃)₂(i‐mnt)] Complex (i‐mnt = isomer‐Malononitriledithiolate)

Pan

Zhang

2003

Eur J Inorg Chem

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“…(15)] and p. 603 of reference [6] Here R e is given in picometers and the HerschbachLaurie parameters a and b have experimental values for auwww.chemeurj.org rophilic attractions of 268 and À29 pm, respectively. [59] The empirical parameter n is 3.95 (see p. 4421 of reference [7]). …”

Section: Generalmentioning

confidence: 99%

Aurophilicity: The Effect of the Neutral Ligand L on [{ClAuL}₂] Systems

Muñiz

Wang

Pyykkö

2011

Chemistry A European J

111

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The effect of the ligand L on the aurophilic Au(I) ⋅⋅⋅Au(I) closed-shell interaction in perpendicular [{ClAuL}(2) ] model systems is investigated. An analogous study of the effect of the halide X (here Cl) exists, and showed a correlation with the softness of the ligand X. In this work, we study the correlation with L=N-heterocyclic carbenes (NHC), cyclic diphosphinocarbenes (PHC), NF(3) , CO, methyl isocyanide CNMe, PF(3) , SH(2) , NH(3) , H(2) O, pyridine, triazene, the carbodiphosphorene model C(PH(3) )(2) , C(3) H(2) , and the related model systems CN(2) or CP(2) . The NHCs yield stronger interactions than PH(3) . The spatial orientation of certain ligands in a "paddle" configuration plays an important role on the strength of the interaction. All are examples on aurophilicity.

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“…The presence of aurophilic contacts may be recognized not only from short metal-metal distances and unusual conformations and configurations of molecules, but also from Raman spectra (46), and electronic absorption and emission spectroscopy. Many Au-Au bonded species show intense photoluminescence in the UV/vis region if investigated in the solid state (47,48).…”

Section: Physical Properties Associated With Aurophilic Bondingmentioning

confidence: 99%

The aurophilicity phenomenon: A decade of experimental findings, theoretical concepts and emerging applications

2000

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The term 'aurophilicity' was introduced in 1989 to describe phenomena in the structural chemistry of gold which could not be readily rationalized by conventional concepts of chemical bonding. In the following decade the aurophilicity concept has been widely applied and supported by the results of many experimental as well as theoretical studies. It will be carried over into the new millennium as a continued incentive for investigations that will help in the understanding of the unique properties of gold.

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Silver and gold dimers. Crystal and molecular structure of Ag2(dmpm)2Br2 and [Au2(dmpm)2](PF6)2 and relation between metal-metal force constants and metal-metal separations

Cited by 118 publications

References 0 publications

Ab initio Study on Luminescence and Aurophilicity of a Dinuclear [(AuPH₃)₂(i‐mnt)] Complex (i‐mnt = isomer‐Malononitriledithiolate)

Ab initio Study on Luminescence and Aurophilicity of a Dinuclear [(AuPH₃)₂(i‐mnt)] Complex (i‐mnt = isomer‐Malononitriledithiolate)

Aurophilicity: The Effect of the Neutral Ligand L on [{ClAuL}₂] Systems

The aurophilicity phenomenon: A decade of experimental findings, theoretical concepts and emerging applications

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Silver and gold dimers. Crystal and molecular structure of Ag2(dmpm)2Br2 and [Au2(dmpm)2](PF6)2 and relation between metal-metal force constants and metal-metal separations

Cited by 118 publications

References 0 publications

Ab initio Study on Luminescence and Aurophilicity of a Dinuclear [(AuPH3)2(i‐mnt)] Complex (i‐mnt = isomer‐Malononitriledithiolate)

Ab initio Study on Luminescence and Aurophilicity of a Dinuclear [(AuPH3)2(i‐mnt)] Complex (i‐mnt = isomer‐Malononitriledithiolate)

Aurophilicity: The Effect of the Neutral Ligand L on [{ClAuL}2] Systems

The aurophilicity phenomenon: A decade of experimental findings, theoretical concepts and emerging applications

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Product

Resources

About

Ab initio Study on Luminescence and Aurophilicity of a Dinuclear [(AuPH₃)₂(i‐mnt)] Complex (i‐mnt = isomer‐Malononitriledithiolate)

Ab initio Study on Luminescence and Aurophilicity of a Dinuclear [(AuPH₃)₂(i‐mnt)] Complex (i‐mnt = isomer‐Malononitriledithiolate)

Aurophilicity: The Effect of the Neutral Ligand L on [{ClAuL}₂] Systems