کد مقاله کد نشریه سال انتشار مقاله انگلیسی ترجمه فارسی نسخه تمام متن
1338231 979661 2012 7 صفحه PDF سفارش دهید دانلود رایگان
عنوان انگلیسی مقاله ISI
Synthesis and characterization of 11-vertex platinaborane compounds having nido-PtB10H12 and nido-Pt2B9H10 skeletons
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موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی معدنی
پیش نمایش صفحه اول مقاله
Synthesis and characterization of 11-vertex platinaborane compounds having nido-PtB10H12 and nido-Pt2B9H10 skeletons
چکیده انگلیسی

The reaction of closo-[B10H10]2− with [PtCl2(PPh3)2] in MeOH at reflux affords the B-methoxy substituted 11-vertex nido-platinaborane compound [(PPh3)2PtB10H10-8-H0.5(OCH3)0.5-10-(OCH3)] (1) and the known species [(PPh3)2PtB10H11-8-(OCH3)] (2) and 1,6-(PPh3)2B10H8 (3). The same reaction under solvothermal condition gives the partially degraded diplatinaborane [(PPh3)2(μ-PPh2)Pt2B9H7-3,9,11-(OMe)3] (4) with a novel nido-Pt2B9H10 skeleton. The new metallaborane compounds have been characterized by spectroscopic methods and single-crystal X-ray analyses. In particular, computational/theoretical chemistry supports the ultimate structural confirmation of 4. The structures of these metallaboranes exhibit interesting intra- and/or intermolecular C–H⋯O hydrogen bonding interactions.

The reactions of closo-[B10H10]2− with [PtCl2(PPh3)2] in MeOH under reflux and solvothermal conditions, respectively, are studied. The new 11-vertex nido-platinaborane compounds show different cluster cores (PtB10H12 from a reflux reaction and Pt2B9H10 from a solvothermal reaction). The intra- and/or intermolecular C–H⋯O hydrogen bonding interactions in these structures form supramolecular assemblies.Figure optionsDownload as PowerPoint slideHighlights
► New platinaboranes from reactions of closo-[B10H10]2− with [PtCl2(PPh3)2] in MeOH.
► The platinaboranes have different cluster cores as confirmed by X-ray studies.
► Computation plays a role in the confirmation of the diplatinaundecaborane.
► Intra- and/or intermolecular C–H⋯O hydrogen bonds form supramolecular assemblies.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Polyhedron - Volume 31, Issue 1, 4 January 2012, Pages 607–613
نویسندگان
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