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-.
Related projects:	Structure and character of bonding, properties and analysis of synthetic and natural molecular ensembles