Gold carbonyl

Chau, T.-D., de Bocarme, TV., Kruse, N., Wang, R.L.C. and Kreuzer, H.J. (2003) Formation of neutral and charged gold carbonyls on highly facetted gold... 

Dargel, T. K., Hertwig, R. H., Koch, W., Horn, H., 1998, Towards an Accurate Gold Carbonyl Binding Energy in AuCO+ Basis Set Convergence and a Comparison between Density Functional and Conventional Methods , J. Chem. Phys., 108, 3876. 

The elusive nature of binary gold carbonyls - known only from earlier matrix-isolation studies and from CO adsorbed on surfaces of bulk gold - has prompted quantum-chemical studies of the hypothetical species Au(CO) with n = 1, 2, 3. Two independent investigations (on the HF and ab initio level, MP2, CCSD(T)) have consistently... 

Neutral and charged gold carbonyl species have also been observed on gold field emitter tips upon interaction with CO gas at room temperature in the presence of high electrostatic fields. The adsorbed complexes and the desorption pathways were identified using time-of-flight mass spectroscopy. [(CO)Au] species are more abundant than [Au(CO)2] species. The product distribution was rationalized by DF calculations of the electronic structure of the complexes.291... 

The exceptional renewed interest in supported gold catalysts leads us to mention here a few recent examples of the formation of in situ gold carbonyl species from supported gold that can be related to the preparation of supported Au nanoclusters [53-55]. On the other hand, bimetallic carbonyl cluster salts of [Au4Fe4(CO)i,5] and [AuFe4(CO)i,5] have been used recently in the preparation of Au/Fe0,t/Ti02 catalysts for the total oxidation of dichlorobenzene and toluene [56]. 

D. McIntosh, and G. A. Ozin, Synthesis of Binary Gold Carbonyls, Au(CO)n (n = 1 or 2). Spectroscopic Evidence for Isocarbonyl(carbonyl)gold, a Linkage Isomer of Bis (carbonyl)gold, Inorg. Chem. 16, 51-59 (1977). 

Explosive gold acetylide has been known since the mid-nineteenth century, but systematic studies of this type of compounds were initiated by Coates in 1959. The early work on gold carbonyls dates back to 1925, when Manchot discovered (OC)AuCl, while the related isocyanide complexes were prepared only in 1956 by Sacco. Gold-carbene... 

Infiared spectra of CO adsorbed on nanometric gold particles supported on different supports, both oxidised and reduced, are reported. Depending on the nature of the supports, on the pretreatments and on the size of the gold nanopaiticles, different gold carbonylic species have been evidenced. The electronic and structural properties of gold nanoparticles and the electron-donating effects of reducible supports are shown to be relevant in determining the chemisorption and catalytic properties of the samples. 

Copper and gold carbonyl halides such as [CuCl(CO)] , [CuCl(CO)] 2H2O,... 

The binary gold carbonyl complexes are instable, but the family of inorganic 14-electron complexes [Au (Cl)L] is known for its stability with a variety of L ligands (CO, PR3, RNC, pyridine, etc.). These complexes are also prepared from the precursor complex [Au(Cl)(Me2S)] or [Au(Cl)(tmt)], tmt = tetramethylthiophene. The isonitrile complexes undergo the addition of nucleophiles (alcohols, amines) to yield carbene complexes ... 

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