| Autor: |
MYKHALICHKO, Borys, LAVRENYUK, Helen, MYKHALICHKO, Oleg |
| Předmět: |
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| Zdroj: |
Turkish Journal of Chemistry; 2021, Vol. 45 Issue 6, p1865-1872, 13p |
| Abstrakt: |
The aqua-bis(ethylenediamine)-chloro-copper(II) chloride complex, [Cu(en)2(H2O)(Cl)]Cl (1), was synthesized by direct interaction of CuCl2×2H2O with pepa (pepa is a polyethylenepolyamine containing ethylenediamine (en)). The crystalline complex 1 was characterized by IR spectra and structurally studied. Crystals of this complex consist of the [Cu(en)2(H2O)(Cl)]+ discrete cations, whose Cu2+ ion is chelated by two en molecules. The Cu(II) coordination polyhedron has the shape of an elongated square bipyramid, in which four nitrogen atoms of the -NH2 groups of en molecules form the base of this bipyramid, and the oxygen atom of the water molecule and Cl- are in its apical positions. Three-dimensional framework 1 is formed due to hydrogen bonds O-H...Cl and N-H...Cl. The Cu(II)-(H2NC2H4NH2) chelation was studied by DFT using the 6-31G* basis set. The calculated electron-stereochemical parameters are in good agreement with the ability of complex 1 to simultaneously be a flame retardant and a curing agent of epoxy resins. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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