Crystal structure of potassium (1S)-D-lyxit-1-ylsulfonate monohydrate

Alan H. Haines, David L. Hughes

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The title compound, K+·C5H11O8S-·H2O [systematic name: potassium (1S,2S,3S,4R)-1,2,3,4,5-penta­hydroxy­pentane-1-sulfonate monohydrate], formed by reaction of D-lyxose with potassium hydrogen sulfite in water, crystallizes as colourless square prisms. The anion has an open-chain structure in which the S atom, the C atoms of the sugar chain and the oxygen atom of the hy­droxy­methyl group form an essentially all-trans chain with the corresponding torsion angles lying between 178.61 (12) and 157.75 (10)°. A three-dimensional bonding network exists in the crystal structure involving coordination of two crystallographically independent potassium ions by O atoms (one cation being hexa- and the other octa-coordinate, with each lying on a twofold rotation axis), and extensive inter­molecular O-H...O hydrogen bonding.
Original languageEnglish
Pages (from-to)993-996
JournalActa Crystallographica Section E: Crystallographic Communications
Issue number8
Publication statusPublished - 1 Aug 2015


  • crystal structure
  • D-lyxose bisulfite adduct
  • potassium hydrogen sulfite
  • potassium metabisulfite
  • hydrogen bonding

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