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- Title
Synthesis and Characterization of Ni(II) Complex of 2,2'-Bipyridine-6,6'-Dicarboxylic Acid.
- Authors
TAN Sihui; LIU Ting; ZHONG Guoqing
- Abstract
The complex [ Ni(6,6'-Hbpdc)2] ⋅ 4H2O (1) was synthesized with 2,2'-bipyridine-6,6'-dicarboxylic acid (6,6'- H2bpdc) and nickel acetate as main raw materials by hydrothermal method. The composition and structure were characterized by elemental analyses, X-ray powder diffraction and single crystal diffraction, FT-IR spectra, and its thermal stability was also studied. The structure analyses show that the complex 1 is triclinic with space groups of P1. The cell parameters are a = 1.011 2(9) nm, b = 1.084 9(9) nm, c = 1.267 6(11) nm, α = 112.672(2)°, β = 101.025(3)° and γ =90.008(3)°. The central nickel ion is coordinated by oxygen and nitrogen atoms in the ligand to form a distorted octahedral configuration with the coordination number of six, and the complex 1 forms a three-dimensional supramolecular structure through weak hydrogen bonds between molecules. The thermal stability study shows that the thermal decomposition reaction of complex 1 in nitrogen atmosphere include dehydration and oxidation decomposition of the ligand and the final residue is NiO.
- Publication
Journal of Synthetic Crystals, 2021, Vol 50, Issue 8, p1452
- ISSN
1000-985X
- Publication type
Academic Journal