2,4-DIFLUOROCINNAMIC ACID

Mass

MS-IW-7439          
trans-2,4-difluorocinnamic acid
C9H6F2O2            (Mass of molecular ion:    184)

   Source Temperature: 150 °C
   Sample Temperature: 120 °C
   Direct, 75 eV

      18.0       3.0
      28.0       1.0
      31.0       1.0
      45.0       1.7
      50.0       2.1
      51.0       1.4
      54.0       1.4
      57.0       2.0
      59.5       3.6
      61.0       1.3
      62.0       2.5
      63.0       6.4
      64.0       1.2
      68.0       1.9
      69.0       7.3
      69.5       4.8
      70.0       1.4
      74.0       3.1
      75.0       2.8
      78.0       3.7
      81.0       2.5
      83.5       3.2
      86.0       1.0
      87.0       3.5
      88.0       2.6
      92.0       4.3
      93.0       4.0
      94.0       1.9
      98.0       1.1
      99.0      11.4
     100.0       1.4
     101.0       1.6
     107.0       2.2
     108.0       3.7
     109.0       1.9
     112.0       2.0
     113.0       2.3
     114.0       2.5
     115.0       1.6
     118.0       1.9
     119.0      43.9
     120.0       4.9
     121.0       1.4
     127.0      11.8
     128.0       1.1
     136.0      44.6
     137.0       4.8
     138.0      18.7
     139.0      44.4
     140.0       4.3
     141.0       2.6
     143.0       4.2
     156.0       2.4
     164.0      14.5
     165.0      21.0
     166.0       3.3
     167.0      38.5
     168.0       3.8
     183.0       7.8
     184.0     100.0
     185.0      10.2

Assign. Shift(ppm) A 12.6 B 7.934 C 7.629 D 7.341 E 7.171 G 6.587 J(C,G)=16.0HZ

     Hz     ppm     Int.

   3183.25   7.966    216
   3176.63   7.949    257
   3174.49   7.944    453
   3167.87   7.927    455
   3165.73   7.922    274
   3159.11   7.905    229
   3057.39   7.651    873
   3041.37   7.611    935
   2945.42   7.371    278
   2942.86   7.364    293
   2936.23   7.348    311
   2933.88   7.342    450
   2931.75   7.336    338
   2925.12   7.320    289
   2922.56   7.313    298
   2875.97   7.197    181
   2875.33   7.195    202
   2872.98   7.189    194
   2867.21   7.175    368
   2866.79   7.174    368
   2864.65   7.168    358
   2858.88   7.154    179
   2858.24   7.152    200
   2855.89   7.146    188
   2640.71   6.608   1000
   2624.47   6.567    936