Journal article
Cyanide complexes of zinc(II) and cadmium(II) in 3MNaCl medium
Journal of Coordination Chemistry, Vol.22(1), pp.7-19
1990
Abstract
A detailed re-investigation of the complexation of zinc(II) and cadmium(II) ions by cyanide at high pH values has been made in aqueous 3 M NaCl medium at 25°C using glass electrode potentiometry. Both metal ion systems gave clear evidence for the formation of ternary hydroxocyano complexes although only the Zn(II) species could be characterised quantitatively due to the lack of quantitative information for the Cd(II)-OH− complexes in this medium. A detailed computational analysis using the ESTA suite of programs has been made, including an assessment of the effects of error propagation in these highly correlated systems by Monte Carlo simulation. Formation constants are derived for the binary H+-, Zn(II)-, and Cd(II}-CN− systems and ternary Zn(II)CN−-OH− system. For both metal ions a maximum coordination number of four was found even for the ternary systems. The absence of higher coordination number complexes was confirmed by FTIR and 13C NMR spectroscopy.
Details
- Title
- Cyanide complexes of zinc(II) and cadmium(II) in 3MNaCl medium
- Authors/Creators
- P. Verhoeven (Author/Creator) - Murdoch UniversityG. Hefter (Author/Creator) - Murdoch UniversityP.M. May (Author/Creator) - Murdoch University
- Publication Details
- Journal of Coordination Chemistry, Vol.22(1), pp.7-19
- Publisher
- Gordon and Breach Science Publishers
- Identifiers
- 991005540498807891
- Murdoch Affiliation
- School of Mathematical and Physical Sciences
- Language
- English
- Resource Type
- Journal article
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- Citation topics
- 2 Chemistry
- 2.22 Inorganic & Nuclear Chemistry
- 2.22.1278 Stability Constants
- Web Of Science research areas
- Chemistry, Inorganic & Nuclear
- ESI research areas
- Chemistry