 
    Parameter     ppm  Hz
      D(A)         4.133
      D(B)         4.400
      D(C)         1.847
      D(X)       -89.48
       J(A,B)         -2.5
       J(A,C)         -1.0
       J(A,X)         48.6
       J(B,C)         -0.4
       J(B,X)         16.6
       J(C,X)         16.0
     
     DE WOLF,M.Y. & BALDESCHWIELER,J.D. J.MOL.SPECTROSC.
     13, 344 (1964)
     F-19 REFERENCE:CFCL3.
  
Spectral Code: 1H NMR : parameter in CFCl3