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140-10-3

反式肉桂酸(140-10-3)Raman光谱

产品名称:反式肉桂酸

CAS:140-10-3

分子式:C9H8O2

分子量: 148.16

InChI:InChI=1S/C9H8O2/c10-9(11)7-6-8-4-2-1-3-5-8/h1-7H,(H,10,11)/b7-6+

InChIKey: WBYWAXJHAXSJNI-VOTSOKGWSA-N

Smiles:C(O)(=O)/C=C/C1=CC=CC=C1

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    Mass

    MS-NW-1664          
    cinnamic acid
    C9H8O2              (Mass of molecular ion:    148)
    

       Source Temperature: 240 °C
       Sample Temperature: 180 °C
       Reservoir, 75 eV
    

          18.0       1.6
          27.0       3.4
          28.0       1.4
          37.0       1.1
          38.0       2.2
          39.0       5.6
          45.0       2.5
          46.0       1.4
          49.0       1.3
          50.0      11.4
          51.0      29.9
          51.5       3.9
          52.0       5.0
          53.0       1.4
          60.0       1.5
          61.0       1.2
          62.0       2.7
          63.0       6.1
          65.0       3.1
          65.5       2.3
          69.0       1.1
          73.0       1.4
          74.0       7.4
          75.0       5.5
          76.0       6.9
          77.0      39.0
          78.0       6.9
          79.0       2.8
          91.0      20.8
          92.0       4.0
          94.0       1.5
         101.0       1.8
         102.0      22.2
         103.0      51.7
         104.0       5.2
         105.0       2.2
         107.0       2.3
         119.0       4.0
         120.0       8.7
         130.0       5.4
         131.0      25.8
         132.0       2.7
         147.0      97.3
         148.0     100.0
         149.0      10.2
    

400 MHz in CDCl3

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    1H NMR 399.65 MHz
    C9 H8 O2 0.020 g : 0.5 ml CDCl3
    cinnamic acid
    ChemicalStructure
        Assign.     Shift(ppm)
    A 11. B 7.806 C 7.557 D 7.42 E 7.40 F 6.465 D AND E WERE CONFIRMED BY LAOCN PROGRAM. J(B,F)=16.1HZ

         Hz     ppm     Int.
    

       3127.75   7.827    403
       3111.82   7.787    425
       3030.49   7.583     37
       3029.02   7.580     53
       3028.11   7.577     51
       3025.36   7.571    270
       3022.98   7.565    306
       3020.23   7.558    250
       3019.13   7.555    368
       3018.03   7.552    203
       3015.65   7.546    332
       3011.99   7.537     47
       3010.89   7.534     52
       2975.36   7.445     46
       2972.79   7.439     44
       2970.96   7.434     47
       2967.85   7.427    141
       2965.83   7.422    168
       2964.00   7.417   1000
       2961.44   7.411    767
       2959.42   7.406    324
       2958.32   7.403    405
       2957.41   7.401    502
       2955.21   7.395    118
       2954.29   7.393    110
       2953.01   7.389     86
       2950.08   7.382     41
       2948.80   7.379     34
       2947.52   7.376     35
       2591.44   6.485    692
       2575.32   6.444    670
    

in CDCl3

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KBr disc

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nujol mull

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4880 A,200 M,powder

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