Calculations of Isotopic Effects on Spin-Spin Coupling Constants 1JCH and 13C Chemical Shifts in Methane, Ethylene and Acetylene

  • Kh. Orazberdiev
  • V. M. Mamayev
  • N. M. Sergeyev
Conference paper


The isotopic effects on coupling constants 1J(CH) and 13C chemical shifts have been calculated using a general geometrical model which relates isotopic effects on the NMR parameters to vibrational bond lengths, Rg, and mean square amplitudes, 1.


Bond Length Isotopic Effect Substitution Effect Upfield Shift Isotopic Substitution 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1979

Authors and Affiliations

  • Kh. Orazberdiev
    • 1
  • V. M. Mamayev
    • 1
  • N. M. Sergeyev
    • 1
  1. 1.NMR Laboratory, Department of ChemistryMoscow State UniversityMoscowUSSR

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