期刊
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
卷 79, 期 5, 页码 1171-1178出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.saa.2011.04.038
关键词
Saccharinate; 2-(2-Pyridyl)benzimidazole; Palladium(II); Platinum(II); DFT
类别
New palladium(II) and platinum(II) complexes of saccharinate (sac) with 2-(2-pyridyl)benzimidazole (pybim) have been synthesized and characterized by elemental analysis and spectroscopic techniques. From the experimental studies, these complexes were formulated as [Pd(pybim)(sac)(2)] (1), and [Pt(pybim)(sac)(2)]center dot 4H(2)O (2). The ground-state geometries of both complexes were optimized using density functional theory (DFT) methods at the B3LYP level. A bidentate pybim ligand together with two N-coordinated sac ligands form the square-planar MN4 coordination geometry around the palladium(II) and platinum(II) ions. The calculated IR and UV-vis spectral data have been correlated to the experimental results. Thermal analysis data support the molecular structures of both complexes. (C) 2011 Elsevier B.V. All rights reserved.
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