Diaquabis(5-methoxyindole-2-carboxylato)bis(3-picoline)nickel(II) Complex: Synthesis, Characterization, XRD, TGA, DFT and HSA


Cebe D., HEREN Z., DEMİRCİOĞLU Z., Buyukgungor O.

MOLECULAR CRYSTALS AND LIQUID CRYSTALS, vol.667, no.1, pp.112-125, 2018 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 667 Issue: 1
  • Publication Date: 2018
  • Doi Number: 10.1080/15421406.2018.1539379
  • Journal Name: MOLECULAR CRYSTALS AND LIQUID CRYSTALS
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.112-125
  • Keywords: X-ray diffraction method, FT-IR and UV-Vis, TGA, Hirshfeld surfaces, Computational method, DENSITY-FUNCTIONAL-APPROACH, FRONTIER-ELECTRON THEORY, 5-METHOXYINDOLE-2-CARBOXYLIC ACID, 6-HYDROXY-5-METHOXYINDOLE-2-CARBOXYLIC ACID, INDOLECARBOXYLIC ACIDS, VIBRATIONAL-SPECTRA, 5-S-CYSTEINYLDOPA, MELANOMA, MARKERS
  • Ondokuz Mayıs University Affiliated: Yes

Abstract

A new complex of diaquabis(5-methoxyindole-2-carboxylato)bis(3-picoline)nickel(II) (Ni(5-MeOI2CA)(2)(3-pic)(2)(H2O)(2)), was synthesized for the first time and characterized by elemental analysis, FT-IR and electronic spectroscopy (UV-Vis) and single-crystal X-ray diffraction (XRD) techniques. The thermal degradation of the Ni(II) complex was investigated using thermogravimetric and differential thermal analyses techniques in oxygen atmosphere. The molecular structure of the complex was determined by single crystal X-ray diffraction technique. Hirshfeld surface analysis (HSA) investigated the packing modes and intermolecular interactions in molecular crystals, as they provide a visual picture of intermolecular interactions. In addition, all computational studies at B3LYP/6-311++G(d,p) were carried out for theoretical characterization of Ni(II) complex. The optimized geometry results, which were well represented the X-ray data, were shown that the chosen of DFT/B3LYP/6-311++G(d,p) was a successful choice for title compound. After a successful optimization, FMOs, chemical activity, non-linear optical properties (NLO), molecular electrostatic potential (MEP), Mulliken population (MPA), natural population analyses (NPA), Fukui function analysis (FFA) and natural bond orbital analysis (NBO), which could not obtained by experimental ways, were calculated and investigated. The computed of net charges and chemical activity studies which helped to identifying the electrophilic/nucleophilic nature.