Surface supported metal cluster carbonyls. Chemisorption, reactivity, and decomposition of Ru3(CO)12 on silica

Nature of the Polycarbonyl Species on Ru/ZrO2: Reassignment of Some Carbonyl Bands

“…32,34,40,54 Note that the existence of the III type of carbonyls is not generally accepted. Alternative assignments of the HF 2 band are available: linear carbonyls of Ru 0 28,51 or Ru n+ , 10,18,20,50 bridging carbonyls, 52 or tricarbonyls.…”

Alumina‐Template Synthesis of Fluorescent RuO2 Nanotubes Derived from Ru3(CO)12 Clusters

“…The vibrational band frequencies of the two bands correspond very well to Ru(CO) 2 L 2 (L= oxygenated ligands) species detected previously in a few studies. [27][28][29] This indicates that Ru 3 (CO) 12 has undergone dissociative adsorption on the AAO surfaces even at room temperature. The ligands most probably consist of Ru-O bonds that remain intact upon heating.…”

“…The mechanism of the oxidation of Ru 0 to Ru IV is obviously complicated, although mononuclear Ru II carbonyl species have been found on alumina and silica surfaces upon Ru 3 (CO) 12 adsorption. [27][28][29] The formation of RuO 2 nanotubes from Ru 3 (CO) 12 has been monitored using FTIR spectroscopy. Figure 4 shows the evolution of the infrared spectra of the Ru 3 (CO) 12 precursor inside the pores of the template before and after thermal decomposition.…”

Untitled

“…In several papers [3,[21][22][23][24][25][26] the bands at ca. 2140 and 2080 cm −1 are attributed to tricarbonyls with C 3v symme- * To whom correspondence should be addressed.…”