Synthesis, Crystal Structure, Characterization of a Pb(II) Mixed-Ligand Tetrazolate Complex

Abstract:

A homometallic mixed-ligand complex Pb(BTA)(phen)·H₂O was synthesized by taking hydrated N,N′-bis(1H-tetrazolyl)amine (H₂BTA·H₂O), 1,10-phenanthroline (phen) and PbCl₂ as starting materials during this work. The complex was characterized by elemental analysis, IR, UV-Vis, FS and X-ray single-crystal diffraction. The results reveal that the coordination number of the Pb ion is four and the geometry can be regarded as a square-pyramidal geometry, with two N atoms of BTA^2- and two N atoms of phen at the base. Crystal data for it, C₁₄H₁₁N₁₁OPb, monoclinic, space group C2/c, a = 9.420(2) Å, b = 22.943(6) Å, c = 15.286(4) Å, α = 90.000^°, β = 105.760(4)^°, γ = 90.000^°, V = 3179.6(14) ų, Z = 8, final R indices [I > 2σ(I)], R₁ = 0.0241, wR₂ = 0.0471. The thermal stability of the complex was investigated by thermogravimetric analysis. The TG profile indicates that Pb(BTA)(phen) is thermally stable up to the temperature of 588.9 K.

• Periodical: Advanced Materials Research (Volumes 239-242)
• Pages: 2566-2572
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.239-242.2566
• Online since: May 2011
• Authors: Ji Guang Tang, Xiang Rong Liu, Biao Su, Jun Deng, Yong Ping Wu
• Keywords: Characterization, Crystal Structure, Energetic Complex, Synthesis

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