期刊
JOURNAL OF MOLECULAR STRUCTURE
卷 1124, 期 -, 页码 138-143出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.molstruc.2016.02.085
关键词
Bismuth benzoate; 2D IR correlation spectroscopy; In situ reaction of 2-mercaptonbenzoic acid; Structure
An organo-bismuth benzoate with phen as auxiliary ligand, [Bi(Phen)(C5H5COO)(C6H4COO)] (1) (phen = 1,10-phenanthroline) has been hydrothermally synthesized from bismuth nitrate, 2-mercaptonbenzoic acid with phen as auxiliary ligand and characterized by single-crystal X-ray diffraction, elemental analyses, PXRD, IR spectra, TG analyses, temperature-depended 2D-IR COS (two-dimensional infrared correlation spectroscopy). Interestingly, benzoate anions in 1 came from the desulfuration reaction of 2-mercaptonbenzoic acid under hydrothermal condition. Compound 1 is a discrete organo-bismuth compound with benzoate and phen ligands. The offset face-to-face pi-pi stacking interactions and C-H center dot center dot center dot O hydrogen bonds link the isolate complex into a 3D supramolecular network. The temperature-depended 2D-IR COS indicates that the stretching vibrations of C=C/C=N of aromatic rings and C=O bonds are sensitive to the temperature change. (C) 2016 Elsevier B.V. All rights reserved.
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