Structural, thermal, electronic, vibrational, magnetic, and cytotoxic properties of chloro(glycinato-N,O)(1,10-phenanthroline-N,N')‑copper(II) trihydrate coordination complex

J Inorg Biochem. 2022 Jan:226:111658. doi: 10.1016/j.jinorgbio.2021.111658. Epub 2021 Nov 9.

Abstract

Chloro(glycinato-N,O)(1,10-phenanthroline-N,N')‑copper(II) trihydrate complex was synthesized through the slow evaporation method. The crystal's structural, thermal, magnetic, and vibrational properties were obtained by X-ray powder diffraction (XRPD), thermal analyses, magnetization, Raman, and Fourier-transform infrared (FT-IR) spectroscopy. XRPD results showed that the crystalline complex belongs to a monoclinic system (P21/n). Thermal analyses revealed that around 333 K, the material undergoes a thermodynamically irreversible process. Magnetic data showed a paramagnetic behavior with weak ferromagnetic interactions. Moreover, all the Raman- and infrared-active bands were assigned from computational calculations based on the density functional theory (DFT) to analyze intra-molecular vibrational modes. In addition, the cytotoxic assay on colorectal cancer cells was performed to evaluate the antitumor activity of this ternary compound. Therefore, the antineoplastic activity of [Cu(1,10-phenanthroline)(glycine)Cl]•3H2O complex in HCT-116 cells was confirmed, showing a potent cytotoxic effect.

Keywords: 1,10-phenanthroline complex; Antitumor activity; Chemical and physical properties; Colorectal carcinoma; DFT calculations; Metal-organic complex.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Animals
  • Antineoplastic Agents* / chemistry
  • Antineoplastic Agents* / pharmacology
  • Colorectal Neoplasms* / drug therapy
  • Colorectal Neoplasms* / metabolism
  • Coordination Complexes* / chemistry
  • Coordination Complexes* / pharmacology
  • Copper* / chemistry
  • Copper* / pharmacology
  • Cytotoxins* / chemistry
  • Cytotoxins* / pharmacology
  • HCT116 Cells
  • Humans
  • Mice
  • RAW 264.7 Cells

Substances

  • Antineoplastic Agents
  • Coordination Complexes
  • Cytotoxins
  • Copper