Préparation, caractérisation par spectroscopie d’absorption IR. Etude structurale et analyse thermique du complexe dinucléaire de cuivre(II) (diaquo éthyléneglycol) bis(amino-2 éthyléther) N,N-tétraacétato), dihydrate [CU2(C14H20N2O10).2H2O].2H2O
Written by sctunisie no commentsThe complex [Cu2(C14H20N2O10).2H2O].2H2O crystallizes in the monoclinic system of space group C2/c. The cell parameters are: a=20.984(2), b=7.530(1), c=13.558(2) A, β=90.79(1)° and Z=4. The structure is built up from [Cu2(C14H20N2O10).2H2O] molecules and water molecules. The coordination sphere around each Cu(II) atom is square pyramidal. The oxygen atoms of deprotonated hydroxyl groups, one nitrogen atom of the ligand and one water molecule are in the base meanwhile another oxygen atom of the same ligand is in apical position. Complex molecules are interconnected by O-H...O hydrogen bonds to form a three dimensional framework. The compound is characterized by I.R. absorption. The thermal analysis shows that four water molecules are needed for building the complex.
F. Ben Amor, M. Krimi Ammar, T. Jouini, A. Driss
complex, copper(II), structure, I.R. absorption, thermal analysis
Pages 1525-1533
