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- W1991079244 abstract "The preparation and molecular structure of the initial nanosized platinum−gold carbonyl cluster, Pt13[Au2(PPh3)2]2(CO)10(PPh3)4 (1), are described. A comparative analysis reveals its pseudo-D2h geometry, consisting of a centered Pt13 icosahedron encapsulated by two centrosymmetrically related bidentate [Ph3PAu−AuPPh3]-capped ligands along with 4 PR3 and 10 CO ligands, to be remarkably similar to that of the previously reported Pt17(μ2-CO)4(CO)8(PEt3)8 (2). Reformulation of 2 as Pt13[(PtPEt3)2(μ2-CO)]2(CO)10(PEt3)4 emphasizes the steric/electronic resemblance of the bulky-sized bidentate [Ph3PAu−AuPPh3] and [(PtPEt3)2(μ2-CO)] capping ligands in 1 and 2, respectively, as well as their identical electron counts of 162 cluster valence electrons for a centered Pt13 icosahedron. We hypothesize that analogous steric effects of their ligand polyhedra in 1 and 2 play a crucial role along with electronic effects in the formation and stabilization of these two nanosized clusters that contain an otherwise unknown centered icosahedron of platinum atoms." @default.
- W1991079244 created "2016-06-24" @default.
- W1991079244 creator A5008699848 @default.
- W1991079244 creator A5026095654 @default.
- W1991079244 date "2005-11-23" @default.
- W1991079244 modified "2023-10-11" @default.
- W1991079244 title "Synthesis and Structural Analysis of the First Nanosized Platinum−Gold Carbonyl/Phosphine Cluster, Pt<sub>13</sub>[Au<sub>2</sub>(PPh<sub>3</sub>)<sub>2</sub>]<sub>2</sub>(CO)<sub>10</sub>(PPh<sub>3</sub>)<sub>4</sub>, Containing a Pt-Centered [Ph<sub>3</sub>PAu−AuPPh<sub>3</sub>]-Capped Icosahedral Pt<sub>12</sub> Cage" @default.
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- W1991079244 doi "https://doi.org/10.1021/ic050990v" @default.
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