Copper(I) hexafluoroantimonate - an example of a compound with Cu in a solely fluorine environment |
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Authors: | Zoran Mazej Primo? Benki? |
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Affiliation: | Department of Inorganic Chemistry and Technology, Jo?ef Stefan Institute, Jamova 39, SI-1000 Ljubljana, Slovenia |
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Abstract: | Yellow-orange single crystals of CuSbF6, were prepared by reacting Cu wire (∼10 mmol) with SbF5 (∼3 mmol) in liquid anhydrous hydrogen fluoride (aHF) and by reduction of Cu(SbF6)2 with Cu metal in aHF. CuSbF6 crystallizes rhombohedral at 296 K with the LiSbF6 structure type, with a = 530.4(4) pm, c = 1453(1) pm and Z = 3, space group R (no. 148). The structure is dominated by isolated layers of regular [SbF6]− octahedra and Cu+ cations.An attempt to prepare CuF by reaction between CuSbF6 and CsF in aHF at ∼190 K failed. Instead of CuF, a mixture of Cu and CuF2 was obtained. |
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Keywords: | Copper hexafluoroantimonate Crystal structure Vibrational spectroscopy Copper monofluoride |
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