The direct synthesis of alkali-metal pentafluoromanganates(III)
- 1 January 1981
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 12,p. 2587-2588
- https://doi.org/10.1039/dt9810002587
Abstract
The reduction of potassium permanganate with acetylacetone in the presence of an excess of alkali-metal difluoride AHF2(A = NH4, Na, K, or Cs) readily gives pentafluoromanganates(III), A2[-MnF5](A = NH4 or Na) or A2–[MnF5]·H2O (A = K or Cs) in almost quantitative yield. Characterisation of the compounds was made from the results of i.r. spectral studies, chemical analyses, magnetic susceptibility measurements, and chemical determination of oxidation states of manganese in the various compounds.Keywords
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