2-甲基丁烷

Mass

MS-IW-3448          
isopentane
C5H12               (Mass of molecular ion:     72)

   Source Temperature: 210 °C
   Sample Temperature: 160 °C
   Reservoir, 75 eV

      15.0       2.2
      26.0       3.5
      27.0      43.4
      28.0       5.7
      29.0      60.2
      30.0       1.4
      37.0       1.3
      38.0       3.2
      39.0      30.2
      40.0       5.1
      41.0      88.4
      42.0      95.4
      43.0     100.0
      44.0       6.9
      50.0       2.4
      51.0       2.8
      53.0       3.7
      55.0      10.5
      56.0      40.4
      57.0      94.7
      58.0       5.7
      71.0       4.7
      72.0      16.4

Assign. Shift(ppm) A 1.447 B 1.20 C 0.869 D 0.865 J(B,D)=7.3 HZ. J(A,C)=6.6 HZ. J(A,B)=6.6 HZ

     Hz     ppm     Int.

    113.94   1.273     93
    107.38   1.199     98
    106.31   1.188    110
    101.75   1.137     79
    100.75   1.125    101
     99.81   1.115     82
     84.56   0.945    138
     83.25   0.930    188
     82.50   0.922    163
     80.50   0.899   1000
     77.44   0.865    456
     76.44   0.854    153
     74.56   0.833    700
     71.31   0.797     74
     69.69   0.779     77