STRUCTURAL AND MASS SPECTROMETRIC CHARACTERISATION OF THE DINUCLEAR PLATINUM(II) SELENIDO-PHENYLSELENOLATO COMPLEX [Pt2(µ-Se)(µ-SePh)(PPh3)4]PF6

platinum complexes dinuclear complexes selenide ligand phenylselenolato ligand arylation crystal structure electrospray mass spectrometry.

ОПРЕДЕЛЕНИЕ ХИМИЧЕСКОГО И ФАЗОВОГО СОСТАВА СМЕШАННЫХ ОКСИДOВ С ПЕРОВСКИТОПОДОБНОЙ СТРУКТУРОЙ НА ОСНОВЕ ТИТАНАТОВ СТРОНЦИЯ МЕТОДОМ ДИФФЕРЕНЦИРУЮЩЕГО РАСТВОРЕНИЯ, FACILE SYNTHESIS AND CRYSTAL STRUCTURE OF 1,5-DIMETHYL-6-THIOXO-1,3,5-TRIAZINANE-2,4-DIONE, ...

Том 56, 4 ЖУРНАЛ СТРУКТУРНОЙ ХИМИИ Июль UDC 548.73:541.49:546.92 STRUCTURAL AND MASS SPECTROMETRIC CHARACTERISATION OF THE DINUCLEAR PLATINUM(II) SELENIDO-PHENYLSELENOLATO COMPLEX [Pt2(µ-Se)(µ-SePh)(PPh3)4]PF6 R.G. Fortney-Zirker, W. Henderson, B.K. Nicholson Department of Chemistry, University of Waikato, Hamilton, New Zealand E-mail: w.henderson@waikato.ac.nz Received November, 27, 2013 The reaction of [Pt2(µ-Se)2(PPh3)4] with diphenyliodonium bromide gave [Pt2(µ-Se)(µ-SePh) (PPh3)4]+ through arylation of a selenide ligand. <...> The complex is characterised by 31P NMR spectroscopy, elemental microanalysis, ESI mass spectrometry, and a single crystal X-ray diffraction study, which showed the four-membered {Pt2Se2} ring to be slightly puckered. <...> DOI: 10.15372/JSC20150417 Keywords: platinum complexes, dinuclear complexes, selenide ligand, phenylselenolato ligand, arylation, crystal structure, electrospray mass spectrometry. <...> Dinuclear platinum(II) sulfide complex [Pt2(µ-S)2(PPh3)4] 1a [ 1 ] and analogues with alternative phosphine [ 2, 3 ] or arsine [ 4 ] ligands have been extensively investigated over a considerable length of time [ 5 ] because of the rich and diverse chemistry they display. <...> Electrospray mass spectra were recorded in a dichloromethanemethanol solution using a Bruker MicrOTOF instrument, periodically calibrated using sodium formate, and employing a capillary exit voltage of 150 V for routine spectra, but higher voltages to inves Fortney-Zirker R.G., Henderson W., Nicholson B.K., 2015 С. 780 – 785 ЖУРНАЛ СТРУКТУРНОЙ ХИМИИ. 2015. <...> The compound was recrystallised from chloroform-diethyl ether, giving dark orange-brown single crystals of the tris-chloroform solvate suitable for an X-ray diffraction study. <...> The complex crysTable 1 Crystal data and structure refinement details for [Pt2(µ-Se)(µ-SePh)(PPh3)4]PF6 3CHCl3 (2PF6 3CHCl3) Empirical formula Formula weight Crystal system Space group Unit cell dimensions a, b, c, Е; α, β, γ, deg. <...> RESULTS AND DISCUSSION The reaction of [Pt2(µ-Se)2(PPh3)4] with diphenyliodonium bromide (Ph2IBr) proceeded smoothly in a methanol suspension following the methodology previously reported for the phenylthiolate complex [Pt2(µ-S)(µ-SPh)(PPh3)4 <...>

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