Abstract
Previously unknown crystal structure of a copper(II) tetrafluoroborate hexahydrate salt was determined using single crystal X-ray diffraction. The unit cell parameters were determined at different temperatures (90, 150 and 270 K). The structure is isotypical with copper(II) perchlorate hexahydrate. The Raman spectrum was also recorded and discussed.
Graphical Abstract
The K.P.I. coefficient (78.0) and the FUV index (256.21 Å3) indicating very effective packing of the ions in the discussed structure, whereas the β angle is very close to the 90° and, in this way, the crystal could undergo a monoclinic \(\to \) orthorhombic phase transition at some lower temperatures.
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Data Availability
Crystallographic data of the compound copper(II) tetrafluoroborate hexahydrate Cu(BF4)2·6H2O or [CuII(H2O)6](BF4)2 (CSD 2310386) was deposited at the Cambridge Crystallographic Data Centre and could be obtained free of charge upon application to CCDC, 12 Union Road, Cambridge CB21EZ, UK [fax: (+ 44) 1223-336-033; email: deposit@ccdc.cam.ac.uk].
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Acknowledgements
The authors gratefully acknowledge the Slovenian Research Agency (ARRS) for financial support of the present study within the research program P1-0045 (Inorganic Chemistry and Technology).
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Funding was provided by Slovenian Research Agency (ARRS) (Grant No. P1-0045).
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AV wrote the main manuscript, prepared figures, graph. abstract etc. AV prepared the crystalline specimen. EG refined cryst. structure and recorded the Raman spectrum. All authors reviewed the manuscript.
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Vakulka, A., Goreshnik, E. Copper(II) Tetrafluoroborate Hexahydrate: Preparation, Structure and Raman Spectrum. J Chem Crystallogr 54, 157–162 (2024). https://doi.org/10.1007/s10870-024-01008-3
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DOI: https://doi.org/10.1007/s10870-024-01008-3