Anion Encapsulation Drives the Formation of Dimeric GdIII[15-metallacrown-5]3+ Complexes in Aqueous Solution
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چکیده
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The peculiar behavior of Picha in the formation of metallacrown complexes with Cu(II), Ni(II) and Zn(II) in aqueous solution.
The thermodynamic stability of the metallacrown complexes formed by picolinehydroxamic acid (Picha) with Cu(ii), Ni(ii) and Zn(ii) in aqueous solution has been determined by potentiometry, and the speciation models were validated by ESI-MS and UV-visible spectrophotometry. Cu(ii) and Zn(ii) form 12-MC-4 species as the unique metallacrowns present in the solution. While for Cu(ii) the 12-MC-4 is...
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ژورنال
عنوان ژورنال: Inorganic Chemistry
سال: 2017
ISSN: 0020-1669,1520-510X
DOI: 10.1021/acs.inorgchem.6b03043