Novel columnar anion in potassium tetrafluorochromate(III): X-ray crystal structure
Abstract
Single crystal X-ray structure analysis of potassium tetrafluorochromate(III) has shown the anion to consist of approximately planar [Cr3F9] units linked into columns by fluorine bridges, with the columns separated by potassium ions, consistent with the extraordinary ease of cleavage of the crystals into fibres.
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