1,3-DIFLUOROACETONE

    Parameter     ppm  Hz

      D(A)         5.170
      D(X)      -238.5
       J(A,A')         0.00
       J(A,A'')       -0.45
       J(A,A''')       0.1
       J(A,X)         46.36
       J(A,X')         1.16
       J(A',A'')       0.1
       J(A',A''')     -0.45
       J(A',X)        46.36
       J(A',X')        1.16
       J(A'',A''')
                       0.00
       J(A'',X)        1.16
       J(A'',X')      46.36
       J(A''',X)       1.16
       J(A''',X')     46.36
       J(X,X')         5.03
     
     SHAPIRO,B.L. ET AL. J.MAGN.RESON. 11, 355 (1973)
     J(A,A''') & J(A',A'') ARE ABSOLUTE VALUE AND LESS THAN 0.1HZ.
     F-19 REFERENCE:CFCL3.