Thermodynamic and kinetic behaviour of [Pt (2-methylthiomethylpyridine)(OH 2) 2] 2+

S Hochreuther, ST Nandibewoor, R Puchta…

Index: Hochreuther, Stephanie; Nandibewoor, Sharanappa T.; Puchta, Ralph; Van Eldik, Rudi Dalton Transactions, 2012 , vol. 41, # 2 p. 512 - 522

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Citation Number: 10

Abstract

The diaqua complex [Pt (2-methylthiomethylpyridine)(OH2) 2] 2+, Pt (mtp), was synthesized and investigated thermodynamically as well as kinetically. Spectrophotometric acid–base titrations were performed to determine the pKa values of the two coordinated water ligands. A low pKa1 value of 3.15 was observed for the water molecule trans to the pyridine donor, whereas a pKa2 value of 6.84 was found for the water molecule trans to the labilising ...

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