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Synthesis and Identification of Chromium (III) Complex with 2-Amino-3-(1-hydrogen-indol-3-yl) Propanoic Acid Ligand

Journal: Chemical Methodologies (Vol.8, No. 4)

Publication Date:

Authors : ; ; ;

Page : 234-240

Keywords : K3[Cr(O2)4]; chromium complex; tryptophan; Synthesis; Identification;

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Abstract

In this study, the ligand 2-amino-3-(1-hydrogen-indol-3-yl) propanoic acid (Trp) was used to react with chromium metal ion to prepare complex [Cr (Trp)2(OH)(H2O)].This compound was synthesized for the first time and identified by elemental analysis, FT-IR, UV-Vis, conductivity, and melting point techniques. In the FT-IR spectrum of the complex [Cr (Trp)2(OH)(H2O)], the vibrational bands of the acetate and NH2 groups have shifted to lower energies than the free ligand. In addition, the presence of the Cr-N vibration band at 424 cm-1 is due to the coordination of the ligand to chromium metal. The hexa-coordinated complex of Cr with the octahedral geometric structure including [Cr (Trp)2(OH)(H2O)] is proposed.

Last modified: 2024-04-08 20:02:33