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EnglishThe reactions of [Pt6(CO)6(SnX2)2(SnX3)4]4– (X = Cl, 1; Br, 2) with an excess of HBF4·Et2O afforded the new [Pt12(CO)10(SnCl)2(SnCl2)4Cl2Sn(μ-OH)SnCl22]2– (3) and [Pt7(CO)6(SnBr2)4Br2Sn(μ-OH)SnBr2Br2Sn(μ-Br)SnBr2]2– (4) heterometallic clusters. The molecular structures of 3 and 4 were determined by means of single crystal X-ray diffraction. The bonding within these bimetallic Pt–Sn clusters were investigated computationally by means of DFT methods and Atoms-In-Molecules analyses. 3 and 4 displayed a low valent Pt core stabilised by the interaction with CO and Sn(II) based ligands. The solid state structures of these clusters revealed the presence on H-bonds involving the OH-groups of the X2Sn(μ-OH)SnX2– ligands.
| Titolo: | Reactions of [Pt6(CO)6(SnX2)2(SnX3)4]4– (X = Cl, Br) with Acids: Syntheses and molecular structures of [Pt12(CO)10(SnCl)2(SnCl2)4Cl2Sn(μ-OH)SnCl22]2– And [Pt7(CO)6(SnBr2)4Br2Sn(μ-OH)SnBr2Br2Sn(μ-Br)SnBr2]2– Platinum carbonyl clusters decorated by Sn(II)-Fragments |
| Autore/i: | Beatrice Berti; Marco Bortoluzzi; Cristiana Cesari; Cristina Femoni; Maria C. Iapalucci; Stefano Zacchini |
| Autore/i Unibo: | |
| Anno: | 2020 |
| Rivista: | |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1016/j.ica.2020.119432 |
| Abstract: | The reactions of [Pt6(CO)6(SnX2)2(SnX3)4]4– (X = Cl, 1; Br, 2) with an excess of HBF4·Et2O afforded the new [Pt12(CO)10(SnCl)2(SnCl2)4Cl2Sn(μ-OH)SnCl22]2– (3) and [Pt7(CO)6(SnBr2)4Br2Sn(μ-OH)SnBr2Br2Sn(μ-Br)SnBr2]2– (4) heterometallic clusters. The molecular structures of 3 and 4 were determined by means of single crystal X-ray diffraction. The bonding within these bimetallic Pt–Sn clusters were investigated computationally by means of DFT methods and Atoms-In-Molecules analyses. 3 and 4 displayed a low valent Pt core stabilised by the interaction with CO and Sn(II) based ligands. The solid state structures of these clusters revealed the presence on H-bonds involving the OH-groups of the X2Sn(μ-OH)SnX2– ligands. |
| Data stato definitivo: | 2020-02-28T19:09:14Z |
| Appare nelle tipologie: | 1.01 Articolo in rivista |
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