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On tuning the copper(I) coordination number in halocuprate(I) anions: new insights into cation control

Catrin Hasselgren (Institutionen för oorganisk kemi) ; Gunnar Stenhagen ; Lars Öhrström (Institutionen för oorganisk kemi) ; Susan Jagner (Institutionen för oorganisk kemi)
Inorganica Chimica Acta (0020-1693). Vol. 292 (1999), 2, p. 266-271.
[Artikel, refereegranskad vetenskaplig]

Precursors in the crystallisation of selected tetraalkylammonium and tetraalkylphosphonium chlorocuprates(I) and bromocuprates(I) from ethanol solution have been studied by means of electrospray ionisation mass spectrometry. The results are discussed in the context of previous work which indicates that large bulky unipositive cations can be used to tune the copper(I) coordination number in the halocuprate(I) anion with which the cation co-precipitates, Aggregates between quaternary ammonium or phosphonium cations and halide ions, with and without copper(I), have been observed. No evidence is found for the presence of the anions of higher nuclearity observed in the solids, the only halocuprate(I) ions observed in solution being CuX2- (X = Cl, Br).

Nyckelord: electrospray mass spectrometry, halocuprate complexes

Denna post skapades 2006-08-29. Senast ändrad 2014-11-10.
CPL Pubid: 473


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