2',4'-Difluoropropiophenone

Mass

MS-KW-0562          
2',4'-difluoropropiophenone
C9H8F2O             (Mass of molecular ion:    170)

   Source Temperature: 240 °C
   Sample Temperature: 150 °C
   Reservoir, 75 eV

      27.0       2.1
      28.0       1.0
      29.0       2.3
      57.0       1.6
      62.0       1.2
      63.0       7.3
      93.0       1.0
     112.0       1.1
     113.0      19.5
     114.0       1.6
     141.0     100.0
     142.0       7.7
     170.0       9.8
     171.0       1.0

Assign. Shift(ppm) A 7.941 B 6.953 C 6.860 D 2.972 E 1.200

     Hz     ppm     Int.

   3186.53   7.971    143
   3179.81   7.954    161
   3177.86   7.949    245
   3171.15   7.933    246
   3169.19   7.928    160
   3162.60   7.911    149
   2789.43   6.978    114
   2788.58   6.976    113
   2786.99   6.972    125
   2786.14   6.970    121
   2781.74   6.959    130
   2780.89   6.956    157
   2779.42   6.953    164
   2778.45   6.950    169
   2777.35   6.948    131
   2772.95   6.937    108
   2772.22   6.935    105
   2770.51   6.931    118
   2769.78   6.929    114
   2753.55   6.888    161
   2751.10   6.882    139
   2744.76   6.866    170
   2742.44   6.860    279
   2740.00   6.854    147
   2733.65   6.838    159
   2731.21   6.832    140
   1200.44   3.003    159
   1197.03   2.995    169
   1193.24   2.985    459
   1189.82   2.977    460
   1186.04   2.967    470
   1182.62   2.959    463
   1178.84   2.949    176
   1175.42   2.941    167
    958.75   2.399      7
    951.05   2.379      7
    543.34   1.360      9
    487.31   1.219    573
    486.46   1.217    553
    480.11   1.201   1000
    479.25   1.199    955
    472.91   1.183    526
    472.05   1.181    523
    465.46   1.165     29
    457.77   1.146     13
    421.76   1.055      9
    414.56   1.037     11