3PtCl2



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Eur. J. Mass Spectrom. 6, 23 - 30 (2000)

Electrospray studies of a water soluble platinum (II) phosphine complex, chlorotris(1,3,5-triaza-7-phosphaadamantane)platinum (II) chloride (TPA)3PtCl2

Keith J. Fisher,* Ian G. Dance, Gary D. Willett and Rui Zhang
School of Chemistry, The University of New South Wales, Sydney 2052, Australia
Elmer C. Alyea
Department of Chemistry and Biochemistry, University of Guelph, Guelph, Ontario, Canada N1G 2W1

ABSTRACT:
The positive- and negative-ion electrospray spectra of methanolic solutions of a water-soluble platinum (II) phosphine complex, chlorotris(1,3,5-triaza-7-phosphaadamantane)platinum (II) chloride, have been shown to contain a series of platinum (II) cations and anions. Mono-platinum ions such as [Pt(TPA)3Cl]+ and [Pt(TPA)2Cl2]Cl (TPA=1,3,5-triaza-7-phosphaadamantane) were the most abundant ions but poly-platinum ions were also observed. The ions have been subjected to two different dissociation experiments and the results for skimmer and on-resonance collision-induced dissociations compared. Substitution reactions such as halide exchange and phosphine exchange have been monitored in solution. The gas-phase reactions of hydrogen sulfide with selected ions have been studied.

Keywords: electrospray, FT-ICR mass spectrometry, external ion source, collision-induced dissociation, water-soluble platinum phosphine complex

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