Synthesis, spectroscopic characterization and molecular modeling of a tetranuclear platinum(II) complex with thiazolidine-4-carboxylic acid

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• 作者：Pedro P. Corbi^a ; ^{ppcorbi@iqm.unicamp.br} ; ^{pedrocorbi@yahoo.com} ; André ; L.B. Formiga^a ; Fá ; bio A. Bonk^a ; Frederico A. Quintã ; o^b ; Diego K.D. Ferraresi^b ; Wilton R. Lustri^b ; Antonio C. Massabni^c
• 关键词：THC ; thiazolidine-4-carboxylic acid ; Pt&ndash ; THC ; Pt(II) complex with thiazolidine-4-carboxylic acid ; THC· ; HCl ; thiazolidine-4-carboxylic acid hydrochloride ; NMR ; nuclear magnetic resonance ; SSNMR ; solid state nuclear magnetic resonance ; HMBC ; hete
• 刊名：Journal of Molecular Structure
• 出版年：2012
• 期刊代码：62_00222860
• 类别：ch
• 出版时间：18 July, 2012
• 卷：1019
• 期：Complete
• 页码：21-26
• 文件大小：559 K

摘要

The synthesis, spectroscopic characterization and molecular modeling of a novel tetranuclear platinum(II) complex with thiazolidine-4-carboxylic acid (THC) are described. Elemental analysis is consistent with the composition PtCl₂C₄H₇NO₂S路H₂O. Infrared (IR) spectroscopic results and solid-state ¹³C and ¹⁵N nuclear magnetic resonance (NMR) data indicate coordination of the ligand to Pt(II) through the nitrogen and sulfur atoms. The square planar geometry of the platinum(II) complex is completed by chlorine atoms. Density functional theory (DFT) suggests the formation of a tetrameric cluster as the most probable structure, where each THC molecule bridges between two metal centers. The compound is insoluble in water.