Acta Cryst. (2012). E68, o1791-o1792 [ doi:10.1107/S1600536812021587 ]
Abstract: The asymmetric unit of the title fluorosilicate salt, 2C9H12NO2+·SiF62-, consists of a phenylalaninium cation and half of a fluorosilicate anion, the Si atom being located on an inversion center. In the crystal, all of the F atoms act as hydrogen-bond acceptors and link the cations through different graph-set motifs, forming layers developing parallel to (100).
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