2,3-DIPHENYLQUINOXALINE

Mass

MS-IW-9011          
2,3-diphenylquinoxaline
C20H14N2            (Mass of molecular ion:    282)

   Source Temperature: 160 °C
   Sample Temperature: 120 °C
   Direct, 75 eV

      28.0       1.2
      50.0       9.5
      51.0       4.0
      63.0       1.1
      74.0       1.2
      75.0       3.4
      76.0      17.7
      77.0       8.2
     102.0       2.0
     103.0       3.0
     126.0       1.7
     127.0       1.8
     128.0       1.7
     140.0      13.4
     140.5      11.5
     141.0      19.2
     151.0       5.9
     152.0       7.0
     153.0       3.8
     176.0       1.5
     177.0       4.0
     178.0      19.7
     179.0      38.7
     180.0       5.7
     205.0       3.5
     279.0       1.8
     281.0      64.0
     282.0     100.0
     283.0      21.0
     284.0       2.3

Assign. Shift(ppm) A 8.177 B 7.753 C 7.522 D 7.33

     Hz     ppm     Int.

   3276.98   8.200     34
   3275.88   8.197     44
   3272.95   8.190    346
   3269.53   8.181    307
   3266.60   8.174    277
   3263.06   8.165    384
   3260.13   8.158     47
   3259.16   8.156     39
   3106.81   7.774     42
   3105.83   7.772     52
   3102.78   7.764    360
   3099.49   7.756    267
   3096.44   7.748    289
   3093.02   7.740    344
   3090.09   7.732     43
   3088.99   7.730     33
   3014.04   7.542     56
   3011.11   7.535    441
   3009.52   7.531    485
   3008.06   7.527    247
   3007.08   7.525    212
   3005.62   7.521    205
   3004.15   7.517    401
   3003.54   7.516    445
   3001.46   7.511    542
   2946.90   7.374     48
   2945.19   7.370     48
   2940.06   7.357    158
   2938.84   7.354    193
   2936.04   7.347    244
   2935.18   7.345    377
   2933.35   7.340   1000
   2931.27   7.335    463
   2929.57   7.331    200
   2927.61   7.326    284
   2926.03   7.322    474
   2925.54   7.321    448
   2923.95   7.317     97
   2922.97   7.314     91
   2921.88   7.312     95
   2920.29   7.308    139
   2918.82   7.304     75
   2917.11   7.300     95