Syntheses, Structures, and Characteristics of Three Metal Complexes Constructed Using Hexacarboxylic Acid

Molecules. 2019 Dec 4;24(24):4431. doi: 10.3390/molecules24244431.

Abstract

In this study, three new 3D coordination polymers (CPs), {[Cd3(L)(H2O)6]·H2O}n (1), {[Cu1.5(L)0.5(bimb)1.5]·5H2O·DMF}n (2), and {[Mn1.5(H3L)(bibp)0.5(H2O)2]·3H2O}n (3) (bimb= 1,3-bis(imidazol-1-yl)benzene, bibp= 1,4-bis((4-imidazol-1-yl)benzyl)piperazine), were prepared under solvothermal or hydrothermal conditions based on a hexadentate ligand (1,3,5-triazine-2,4,6-triamine hexa-acetic acid (H6L)). Structural elucidations were carried out by IR spectra along with single-crystal X-ray diffraction analysis, while thermogravimetric analysis (TGA) (dynamic and isothermal) and XRD techniques were used for property evaluations of the polymers. Furthermore, the fluorescence properties and detection of the Fe3+ ions in 1 were tested at room temperature, and the electrochemical behavior of 2 is also stated in this article.

Keywords: coordination polymers; electrochemical behaviors; fluorescent probe; hexacarboxylic acid.

MeSH terms

  • Carboxylic Acids / chemical synthesis*
  • Carboxylic Acids / chemistry*
  • Coordination Complexes / chemical synthesis*
  • Coordination Complexes / chemistry*
  • Electrochemical Techniques
  • Ions
  • Iron / chemistry
  • Ligands
  • Luminescence
  • Temperature
  • Thermogravimetry
  • X-Ray Diffraction

Substances

  • Carboxylic Acids
  • Coordination Complexes
  • Ions
  • Ligands
  • Iron