Fields of ResearchNMR of Oriented Molecules

Anisotropy of Indirect Coupling (J Anisotropy)

  • Origin of J Anisotropy
  • Theory of J Anisotropy
  • Calculations of J Anisotropy
  • Determination Methods of J Anisotropy
  • from different temperature spectra
    from different concentration spectra
    by use of molecular symmetry
  • Comparison of Methods
  • J Anisotropy Data
  • Hydrogen J(H,C) J(H,Cd) J(H,F) J(H,Hg) J(H,N) J(H,Si) J(H,Sn) J(H,H) J(H,P) J(H,O) J(H,Se) J(H,Li)
    Carbon J(C,C) J(C,Cd) J(C,F) J(C,Hg) J(C,N) J(C,Si) J(C,Sn)
    Phosphorus J(P,F) J(P,N) J(P,P) J(P,Se)
    Fluorine J(F,F)
  • Comparison with Theory
  • Separation of Isotropic and Anisotropic Interaction
  • ?
  • ?
  • Origin of J Anisotropy

    The anisotropic orientational distribution of solute molecules in liquid crystals makes it possible to use the NMR observables for the determination the anisotropies of spin-spin couplings.
    (see )

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    Last Update: April 22th, 1997
    By: Alexan Shahatuni (msrc@moon.yerphi.am)