Abstract
The structure of a newly layered copper selenium hydrogenoselenite [Cu(HSeO3)2Cu0.335Se0.582Cl3(H2O)3] has been solved from single crystal X-ray diffraction data and refined to a final reliability factor R 1 = 0.038. It was found having an orthorhombic space group Pna21, with a = 9.0743(4) Å, b = 7.1753(4) Å, c = 17.7246(9) Å, V = 1154.06(10) Å3, and Z = 4. This structure is three-dimensional but it may be described as a bi-dimensional structure made of layers, parallel to the (010) plane, which contain copper atoms and (HSeO3)− anions. The sheets are interconnected by [CuCl3(H2O)3] groups. The Se and Cu oxidation state was evaluated using bond valence sum calculations. The presence of hydrogenoselenites (νSe–O–H, 1,222 cm−1) was confirmed by IR and Raman spectra. The dielectric constant at different frequencies and temperatures revealed a phase transition at 383 K.
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Belgaroui, H., Loukil, M., Kabadou, A. et al. Structure of New Layered Bimetallic Hydrogenoselenite Copper Selenium. J Chem Crystallogr 43, 352–359 (2013). https://doi.org/10.1007/s10870-013-0427-9
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DOI: https://doi.org/10.1007/s10870-013-0427-9