Synthesis, crystal structure, and properties of three lead(II) complexes based on the 1,10-phenanthroline ligand
Author:
Li De-Jun1, Tang Shi-Li1, Ma Feng-Jie1, Zhang Lu-Lin1, Cheng Yuan-Zheng1, Zhang Li-Ping1
Affiliation:
1. School of Pharmacy, Weifang Medical University , Weifang 261053 , P. R. China
Abstract
Abstract
Three new lead(II) complexes containing the 1,10-phenanthroline ligand, [Pb(phen)2(3,5-DNB)2] (1), [Pb(phen)2(3,5-DNB)(NO3)]2·H2O (2), and [Pb(phen)(HCOO)(NO3)(H2O)]
n
(3) (phen = 1,10-phenanthroline, 3,5-DNB = 3,5-dinitrobenzoate anion) have been synthesized and characterized by elemental analyses, Fourier transform infrared spectroscopy (FTIR), thermogravimetric analyses (TGA), and single-crystal X-ray diffraction. The complexes 1 and 2 are monomeric species, whereas complex 3 is a one-dimensional polymer. In the three complexes, the ligand phen creates a number of π···π stacking interactions and hydrogen bonds, which play an important role in extending complexes 1–3 to supramolecular architectures. The Pb(II) ion of complexes 1 and 2 shows hemidirected geometry with noncovalent Pb···O/C tetrel bonds formed which further stabilize the supramolecular structures.
Funder
Natural Science Foundation of Shandong Province A Project of Shandong Province Higher Educational Science and Technology Program
Publisher
Walter de Gruyter GmbH
Subject
General Chemistry
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