3 years ago

Dichloro(ethylenediamine- N,N -di-3-propionato)zinc: Synthesis and crystal structure


Dichloro(ethylenediamine-N,N-di-3-propionato)zinc (I) has been synthesized for the first time by the reaction between acrylic acid and ethylenediamine coordinated with ZnCl2 in an aqueous medium. Complex I has been characterized by IR, Raman, and 1H,13C NMR spectroscopy, mass spectrometry, and elemental analysis. The X-ray diffraction analysis of complex I has also been performed. Crystals are monoclinic, а = 9.7792(4) Å, b = 9.9805(4) Å, c = 13.1130(5) Å, β = 101.5620(10)°, space group Р21/c, Z = 4, V = 1253.88(9) Å3, ρcalc = 1.804 g/cm3. The coordination polyhedra of Zn atoms in complex I are slightly distorted {ZnCl2O2} tetrahedra, each of which are built of two chlorine atoms and the carboxyl oxygen atoms of the two propionic groups of two ligand molecules and form a polymeric layer parallel to crystallographic plant (100). Bond lengths are Zn–О 1.970(1) and 1.976(1); Zn–Cl 2.2600(4) and 2.2693(4) Å. The ligand molecule in complex I has a double betaine structure.

Publisher URL: https://link.springer.com/article/10.1134/S0036023617100187

DOI: 10.1134/S0036023617100187

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