• Studies in molecular structure, symmetry and conformation—Part XIV. Crystal and molecular structure of L-isoleucine hydrochloride monohydrate form II

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    • Keywords


      L-isoleucine; crystal structure

    • Abstract


      The crystal structure of a new form of L-isoleucine hydrochloride monohydrate C6H13O2NHClH2O (termed form II) has been determined using three-dimensional photographic data. This differs conformationally from the hydrochloride derivative (termed form I, Trommel and Bijvoet 1954) reported earlier. The crystal belongs to the orthorhombic space group P212121 with cell dimensions,a=5.87±0.01,b=24.77±0.02 andc=6.85±0.01 Å and four molecules per cell,ρobs=1.240 g/cm3,ρcal=1.238 g/cm3,µ for CuKa=32.6 cm−1.

    • Author Affiliations


      K I Varughese1 2 R Srinivasan1

      1. Department of Crystallography and Biophysics, University of Madras, Madras - 600025
      2. Molecular Biophysics Unit, Indian Institute of Science, Bangalore - 560012
    • Dates

  • Pramana – Journal of Physics | News

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