2',4'-二氟苯乙酮

Mass

MS-NW-8617          
2',4'-difluoroacetophenone
C8H6F2O             (Mass of molecular ion:    156)

   Source Temperature: 260 °C
   Sample Temperature: 140 °C
   Reservoir, 75 eV

      15.0       1.1
      31.0       1.0
      42.0       1.1
      43.0      11.1
      50.0       1.8
      57.0       1.9
      61.0       1.1
      62.0       2.5
      63.0      12.6
      68.0       1.7
      69.0       1.1
      74.0       1.7
      75.0       1.8
      81.0       1.7
      93.0       1.9
      94.0       1.2
     101.0       1.0
     112.0       1.6
     113.0      31.5
     114.0       3.6
     127.0       1.6
     141.0     100.0
     142.0       7.7
     156.0      14.0
     157.0       1.3

Assign. Shift(ppm) A 7.940 B 6.954 C 6.871 D 2.617 J(ORTHO-F-19,D)=5.1HZ, J(A,F-19)=8.8HZ

     Hz     ppm     Int.

   3185.42   7.971     88
   3178.71   7.954     94
   3176.64   7.949    162
   3169.92   7.932    165
   3168.09   7.928    101
   3161.38   7.911     93
   2789.18   6.980     70
   2788.45   6.978     73
   2786.74   6.973     76
   2786.01   6.972     81
   2781.62   6.961     79
   2780.76   6.958     94
   2780.40   6.958     92
   2779.54   6.955     96
   2779.17   6.955    101
   2778.32   6.952    106
   2777.95   6.951    102
   2777.10   6.949     89
   2772.71   6.938     68
   2771.97   6.936     69
   2770.26   6.932     75
   2769.53   6.930     79
   2756.96   6.899     99
   2754.52   6.893     86
   2748.29   6.877    101
   2747.92   6.876    101
   2745.85   6.871    171
   2743.41   6.865     92
   2737.18   6.849     96
   2734.74   6.843     87
   1051.27   2.631     53
   1048.22   2.623    954
   1043.09   2.611   1000
   1039.79   2.602     39