Silver clusters are attractive candidates for their promising optical properties, and biomedical activities. Herein, we report on the first syntheses and isolation of three homo-/mixed-valence silver nanoclusters (NCs) with Ag Cl , Ag , and Ag cores [((cAAC)P) Ag Cl ](OTf) (1), [((cAAC)P) Ag ] (2), and [((cAAC)P) Ag ] (3) having three-/twofold symmetry, employing cyclic alkyl(amino) carbene (cAAC)-supported phosphinidenide (cAACP ) as the π-accepting stabilizing ligand. The average diameters of Ag NCs 1, and 2 are approximately 1.
View Article and Find Full Text PDFCyclic alkyl(amino) carbene (cAAC)-anchored boryl- and stibanyl-phosphaalkenes with general formula cAAC = P-ER [E = B, R = (NPr) (); E = Sb, R = 2,4,6-triisopropylphenyl ()] have been synthesized and utilized as precursors for the bis-phosphaalkenyl dichlorogermane [(cAAC = P)GeCl] () and the first molecular example of a neutral polymeric mixed-valence Ag/Ag phosphinidenide complex [(cAACP)AgAgCl] (). All compounds have been characterized by single-crystal X-ray diffraction and further investigated by nuclear magnetic resonance (NMR), mass spectrometric analysis, and UV-vis/fluorescence measurements. The paramagnetic complex has been characterized by ESR spectroscopy.
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