4914-91-4

1-異丙-1,2-二甲基乙烯(4914-91-4)红外图谱(IR1)

产品名称:1-異丙-1,2-二甲基乙烯

CAS:4914-91-4

分子式:C7H14

分子量: 98.19

InChI:InChI=1S/C7H14/c1-5-7(4)6(2)3/h5-6H,1-4H3/b7-5-

InChIKey: PPBWEVVDSRKEIK-ALCCZGGFSA-N

Smiles:C/C=C(/C)\C(C)C

¹HNMR

¹³CNMR

IR1

Mass

MS-NW-3705          
(Z)-3,4-dimethyl-2-pentene
C7H14               (Mass of molecular ion:     98)

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

      15.0       1.5
      26.0       1.0
      27.0      15.7
      28.0       1.5
      29.0      11.0
      38.0       1.0
      39.0      16.1
      40.0       2.5
      41.0      45.7
      42.0       4.2
      43.0      19.4
      50.0       1.8
      51.0       2.9
      52.0       1.3
      53.0       6.9
      54.0       2.3
      55.0     100.0
      56.0      10.1
      57.0       1.4
      65.0       1.5
      67.0       7.3
      68.0       1.2
      69.0      12.0
      70.0       4.6
      71.0       1.3
      77.0       1.0
      79.0       1.2
      81.0       2.5
      82.0       1.4
      83.0      94.4
      84.0       6.6
      98.0      35.6
      99.0       3.2

90 MHz in CDCl3

¹H NMR	89.56 MHz
C₇ H₁₄	0.04 ml : 0.5 ml CDCl₃
(Z)-3,4-dimethyl-2-pentene

    Assign.     Shift(ppm)

      A             5.121
      B             2.83
      C             1.59
      D             1.58
      E             0.958
     
     J(B,E)=6.8HZ.

     Hz     ppm     Int.

    462.88   5.169     23
    460.38   5.141     22
    459.81   5.135     21
    459.63   5.133     21
    456.88   5.102     27
    453.94   5.069     21
    453.75   5.067     21
    260.75   2.912     40
    253.94   2.836     53
    247.00   2.758     46
    142.88   1.596    381
    142.00   1.586    547
    140.63   1.571    216
    139.38   1.557     77
    138.44   1.546    136
    137.25   1.533    275
    135.88   1.518    131
    134.69   1.504     43
     89.00   0.994   1000
     82.19   0.918    892

in CDCl3