Abstract
THE detailed structure of the (Re3Br11)2− anion, the formation of which was recently reported by Fergusson and Robinson1, has been determined by means of X-ray crystal structure analysis of its caesium salt. It shows the same general configuration as the (Re3Cl11)2− ion (ref. 2) Detailed analysis of bond lengths and angles reveals some interesting differences between the (Re3Cl12)3− ion (refs. 3 and 4) and the two (Re3X11)2− ions, which raise questions as to the nature of the chemical bonds involved. Further, there is an important difference between (Re3Cl11)2− and (Re3Br11)2−.
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References
Fergusson, J. E., and Robinson, B. H., Proc. Chem. Soc., 189 (1964).
Fergusson, J. E., Penfold, B. R., and Robinson, W. T., Nature, 201, 181 (1964).
Robinson, W. T., Fergusson, J. E., and Penfold, B. R., Proc. Chem. Soc., 116 (1963).
Bertrand, J. A., Cotton, F. A., and Dollase, W. A., Inorg. Chem., 2, 1166 (1963).
Robinson, W. T., and Penfold, B. R. (to be published).
Cotton, F. A., and Haas, T. E., Inorg. Chem., 3, 10 (1964).
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ELDER, M., PENFOLD, B. (Re3Br11)2− Anion in Cs2Re3Br11. Nature 205, 276–277 (1965). https://doi.org/10.1038/205276a0
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DOI: https://doi.org/10.1038/205276a0
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