2,2,3,4-四甲基戊烷

Mass

MS-NW-4584          
2,2,3,4-tetramethylpentane
C9H20               (Mass of molecular ion:    128)

   Source Temperature: 280 °C
   Sample Temperature: 180 °C
   Reservoir, 75 eV

      27.0       6.1
      28.0       1.0
      29.0      10.2
      39.0       5.6
      41.0      24.1
      42.0       2.8
      43.0      57.1
      44.0       2.0
      53.0       1.6
      55.0       9.2
      56.0      50.2
      57.0     100.0
      58.0       4.7
      69.0       4.6
      70.0      11.3
      71.0      15.1
      84.0       2.3
      85.0      15.3
      86.0       1.0

Assign. Shift(ppm) A 1.974 B 1.137 C *1 0.882 D 0.873 E *1 0.782 F 0.745 J(A,C)=J(A,E)=6.90HZ. J(A,B)=1.73HZ. J(B,F)=7.20HZ. THE SHIFT VALUES WERE OBTAINED AT 400MHZ.

     Hz     ppm     Int.

     99.56   1.112     21
     82.50   0.922    105
     80.00   0.894     27
     78.25   0.874   1000
     75.63   0.845    108
     73.44   0.821    113
     70.56   0.788     70
     70.06   0.783    107
     66.75   0.746     93
     63.81   0.713     48
     63.19   0.706     56
     61.94   0.692     34