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Title: | An investigation of the equilibrium of mercury(II) thiocyanate complexes in DMF solutions via Raman spectra and factor analysis | Authors: | Šašić, S. Antić-Jovanović, Ankica Jeremić, M. |
Issue Date: | 7-Nov-1998 | Journal: | Journal of the Chemical Society - Faraday Transactions | Abstract: | Using Raman spectra and factor analysis, the equilibria of mercury(II) thiocyanate complexes in N,N-dimethylformamide solutions with SCN-/Hg(II) molar ratios ranging from 0.6 to 4.0 have been investigated. The spectra were recorded in the region of the ν(Hg-S) and ν(C-N) vibrations. In the former, the Raman bands belonging to four complex species, Hg(SCN)+, Hg(SCN)2, Hg(SCN)3- and Hg(SCN)42-, have been extracted by applying principal component analysis to the spectra. Three components were found in the ν(C-N) region. The concentration of the identified complex species in all investigated solutions has been determined by a target factor analysis method and the disproportionation constants of Hg(SCN)+ and Hg(SCN)3- have been estimated to be 0.18 and 0.21, respectively. |
URI: | https://dspace.ffh.bg.ac.rs/handle/123456789/1573 | ISSN: | 0956-5000 | DOI: | 10.1039/a805192e |
Appears in Collections: | Journal Article |
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