2,3,4-三甲基戊烷(565-75-3)核磁图(¹³CNMR)

Mass

MS-NW-1359          
2,3,4-trimethylpentane
C8H18               (Mass of molecular ion:    114)

   Source Temperature: 260 °C
   Sample Temperature: 180 °C
   Reservoir, 75 eV

      15.0       1.0
      18.0       1.4
      27.0       8.9
      28.0       2.5
      29.0       8.3
      39.0       6.1
      41.0      17.3
      42.0       7.1
      43.0     100.0
      44.0       3.5
      53.0       1.5
      55.0      15.3
      56.0       1.7
      57.0      17.3
      58.0       1.1
      69.0       1.1
      70.0      42.4
      71.0      65.6
      72.0       3.7

Assign. Shift(ppm) A 1.639 B 0.97 C *1 0.882 D *1 0.798 E 0.737 J(A,C)=6.7 HZ. J(A,D)=6.7 HZ. J(B,E)=6.8 HZ.

     Hz     ppm     Int.

    157.88   1.763     24
    157.00   1.754     30
    151.25   1.689     55
    150.31   1.679     48
    145.31   1.623     47
    144.50   1.614     69
    137.94   1.541     54
    131.44   1.468     32
     90.25   1.008     30
     89.31   0.998     35
     82.13   0.918    808
     78.06   0.872     73
     74.63   0.834   1000
     71.25   0.796     59
     68.19   0.762    946
     63.19   0.706    137
     62.69   0.700    131
     62.00   0.693    129
     60.38   0.675     63
     59.25   0.662     26