Abstract
Chemical preparation, X-ray single crystal diffraction, thermal analysis, electrochemical measurements, IR, Raman and UV spectroscopic investigations of a novel organic–inorganic hybrid material, (C6H18N3)Cd2Cl7(H2O)·2H2O, are described. The 1-(2-ammoniumethyl) piperazinium aquapentachlorocadmate(II) hexacholorocadmate(II) dihydrate crystallizes in the triclinic system with P−1 space group. Its unit cell dimensions are a = 9.174(3) Å, b = 9.709(3) Å, c = 12.956(4) Å, α = 96.77(3)°, β = 72,10(2)°, γ = 113.99(4)° with V = 1003,2(5) Å3, and Z = 2. The structure provides a new interesting example of infinite inorganic layers of [Cd2Cl7(H2O)] 3n−n following the b crystallographic direction. The CdCl6 2− and CdCl5(H2O)− anions are interconnected by O–H···Cl, N–H···O and N–H···Cl hydrogen bonds. Thermal analysis reveals the hydrous character of the compound. IR and Raman spectra are reported and discussed on the basis of group theoretical analysis. The optical study was also investigated by UV–Vis absorption spectra. Cyclic voltammetry was studied to evaluate the spectral and structural changes accompanying electron transfer.
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Hajji, M., Gharbi, A. & Guerfel, T. Synthesis, Crystal Structure, Vibrational Spectra, Optical Properties and Thermal Analysis of a New Chlorocadmate Templated by 1-(2-Ammoniumethyl) Piperazinium. J Inorg Organomet Polym 24, 766–775 (2014). https://doi.org/10.1007/s10904-014-0034-z
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DOI: https://doi.org/10.1007/s10904-014-0034-z