Syntheses, structures and Raman spectra of Cd(BF4)(AF6) (A = Ta, Bi) compounds |
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| Authors: | Kristian Radan |
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| Institution: | Jo?ef Stefan Institute, Jamova cesta 39, SI-1000, Ljubljana, Slovenia |
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| Abstract: | The compounds, Cd(BF4)(TaF6) and Cd(BF4)(BiF6), have been synthesized and characterized by single-crystal X-ray diffraction and Raman spectroscopy. Both isostructural compounds crystallize in the monoclinic P21/c space group with a = 8.2700(6) Å, b = 9.3691(6) Å, c = 8.8896(7) Å, β = 94.196(3)°, V = 686.94(9) Å3 for Cd(BF4)(TaF6) and a = 8.3412(8) Å, b = 9.4062(8) Å, c = 8.9570(7) Å, β = 93.320(5)°, V = 701.58(11) Å3 for Cd(BF4)(BiF6). Eight fluorine atoms (4 BF4− + 4 AF6−) form a surrounding around the cadmium atom in the shape of distorted square antiprism. These compounds are not isostructural with mixed-anion analogues of Ca, Sr, Ba and Pb studied earlier. |
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| Keywords: | Tetrafluoroborate Hexafluorotantalate(V) Hexafluorobismuthate(V) Crystal structure Ternary salts Mixed fluoroanions Raman spectra |
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