期刊
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
卷 84, 期 -, 页码 1-9出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physe.2016.05.017
关键词
Organic inorganic compound; Infrared spectroscopy; Raman spectroscopy; Crystal structure,Vibrational study; DFT calculations
The FT-IR and Raman vibrational spectra of bis (4-acetylanilinium) tetrachlorocadmiate (II) compound have been measured at room temperature by FT-infrared spectroscopy (4000-400 cm(-1)) on polycrystalline samples, and by Raman spectroscopy (3600-30 cm(-1)) on monocrystals. The structure of the [C8H10NO](2)CdCl4 formed by two cations [C8H10NO](+) of same type and one type of anion [CdCl4](2-) was optimized by density functional theory (DFT) using the B3LYP method. The theoretical wavenumbers spectra were scaled by multiple scaling factors, yielding a good agreement between the experimentally recorded and the theoretically calculated values. Root mean square (rms) value was calculated and the small difference between experimental and calculated modes has been interpreted by intermolecular interactions in the crystal. The comparison between the [C8H9NO] ligand and the [C8H10NO](2)[CdCl4] compound of the Raman spectra showed a decrease in the wavenumber of the bands assigned to the stretching vibration of (NH3) group in the compound due to the effect of the protonation of the nitrogen. (C) 2016 Published by Elsevier B.V.
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