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|Title:||Heterobimetallic platinum-bismuth aggregates derived from [Pt 2(μ-S)2(PPh3)4]|
Electrospray ionisation mass spectrometry
X-ray crystal structure
|Citation:||Henderson, W., Nicholson, B.K., Zhang, H., Hor, T.S.A. (2006-01-01). Heterobimetallic platinum-bismuth aggregates derived from [Pt 2(μ-S)2(PPh3)4]. Inorganica Chimica Acta 359 (1) : 221-227. ScholarBank@NUS Repository. https://doi.org/10.1016/j.ica.2005.07.022|
|Abstract:||The metalloligand [Pt2(μ-S)2(PPh3) 4] reacts with Bi(S2CNEt2)3 or Bi(S2COEt)3 in methanol to produce the orange cationic adducts [Pt2(μ-S)2(PPh3) 4Bi(S2CNEt2)2]+ and [Pt2(μ-S)2(PPh3)4Bi(S 2COEt)2]+, respectively, isolated as their hexafluorophosphate salts. An X-ray structure determination on [Pt 2(μ-S)2(PPh3)4Bi(S 2CNEt2)2]PF6 reveals the presence of a six-coordinated bismuth centre with an approximately nido-pentagonal bipyramidal coordination geometry. Fragmentation pathways for both complexes have been probed using electrospray ionisation mass spectrometry; ions [Pt 2(μ-S)2(PPh3)2Bi(S 2CXEtn)2]+ (X = O, n = 1, X = N, n = 2) are formed by selective loss of two PPh3 ligands, and at higher cone voltages the species [(Ph3P)PtS2Bi]+ is observed. Ions formed by loss of CS2 are also observed for the xanthate but not the dithiocarbamate ions. © 2005 Elsevier B.V. All rights reserved.|
|Source Title:||Inorganica Chimica Acta|
|Appears in Collections:||Staff Publications|
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