Homoleptic [M(XeF2)6] cations of copper(II) and zinc(II)—Syntheses and crystal structures of [M(XeF2)6](SbF6)2 (M = Cu, Zn) |
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| Authors: | Gašper Tav?ar |
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| Institution: | Department of Inorganic Chemistry and Technology, Jo?ef Stefan Institute, Jamova 39, SI-1000 Ljubljana, Slovenia |
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| Abstract: | Cu(XeF2)6](SbF6)2 crystallizes in the rhombohedral symmetry with a = 1003.6(2) pm, c = 2246.5(12) pm at 200 K and Z = 3, space group  (No. 148). Zn(XeF2)6](SbF6)2 is isostructural to Cu(XeF2)6](SbF6)2 with a = 1007(2) pm and c = 2243(6) pm. The structures are characterized by isolated homoleptic M(XeF2)6]2+ (M = Cu, Zn) cations and of SbF6]− octahedra.Reactions of M(SbF6)2 (M = Cu, Zn) with XeF2 in anhydrous hydrogen fluoride (aHF) and reactions of MF2 with Xe2F3SbF6 in aHF always yield a mixture of M(XeF2)6](SbF6)2, Xe2F3SbF6 and MF2. |
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| Keywords: | Copper Zinc Fluorides Homoleptic cations Xenon difluoride Jahn-Teller distortion |
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