Oxidation of organometallic complexes by water: Synthesis of diorgano(hydroxo)platinum(IV) complexes and the structure of a diorgano(aqua)platinum(IV) complex of tris(pyridin-2-yl)methanol, [PtPh2{(py)3COH---N,N′,N″}(OH2)][NO3)2 · H2O期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Oxidation of organometallic complexes by water: Synthesis of diorgano(hydroxo)platinum(IV) complexes and the structure of a diorgano(aqua)platinum(IV) complex of tris(pyridin-2-yl)methanol, [PtPh₂{(py)₃COH---N,N′,N″}(OH₂)][NO₃)₂ · H₂O

Authors:	Allan J Canty Steven D Fritsche Hong Jin R Thomas Honeyman Brian W Skelton Allan H White

Institution:	^a Department of Chemistry, University of Tasmania, Hobart, Tas. 7001, Australia ^b Department of Chemistry, University of Western Australia, Nedlands, W.A. 6907, Australia

Abstract:	The diorganoplatinum(II) complexes PtR₂{(py)₃COH} (R = Me, Ph; (py)₃COH = tris(pyridin-2-yl)methanol) react with water in organic solvents to form diorgano(hydroxo)platinum(IV) cations Pt(OH)R₂{(py)₃COH}]⁺, and the cation with R = Ph reacts with dilute nitric acid to form PtPh₂{(py)₃COH}(OH₂)]²⁺. The cation in PtPh₂{(py)₃COH}(OH₂)]NO₃]₂ · H₂O has octahedral geometry with a Pt---O bond distance of 2.04(1) Å. The higher trans influence of phenyl than aqua ligands is reflected in the Pt---N bond distances: 2.14(2) and 2.17(1) Å trans to the phenyl groups, and 1.99(2) Å trans to the aqua ligand.

Keywords:	Platinum Hydroxo Aqua complex Crystal structure
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