The Stability of Metal N,N,N',N'-Tetrakis(2-aminoethyl)ethane-1,2-diamine (=penten) Complexes and the X-Ray Crystal Structure of [Tl(NO3)(penten)](NO3)2

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Authors

GRAMLICH Volker LUBAL Přemysl MUSSO Stefano ANDEREGG Giorgio

Year of publication 2001
Type Article in Periodical
Magazine / Source Helvetica chimica acta
MU Faculty or unit

Faculty of Science

Citation
Field Inorganic chemistry
Description Complex formation between N,N,N',N'-tetrakis(2-aminoethyl)ethane-1,2-diamine (penten) and the metal ions Mn(II), Co(II), Cu(II), Zn(II), Cd(II), Hg(II), Ag(I), Pb(II) and Tl(III) (in 1.00 M NaNO3 and 25 degrees of Celsius) was investigated by potentiometry and spectrophotometry. These are the first reported values of the stability constants for this ligand with Ag(I), Pb(II) and Tl(III). The X-ray crystal structure of [Tl(NO3}(penten}](NO3)2 was determined. In this structure, Tl(III) shows a coordination number of seven made up of the six N-donors and one O-atom of NO3-.
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