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64695-78-9

1,2-二溴-4,5-二氟苯(64695-78-9)红外图谱(IR2)

分子式:C6H2Br2F2

分子量: 271.88

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    Mass

    MS-NW-7634          
    1,2-dibromo-4,5-difluorobenzene
    C6H2Br2F2           (Mass of molecular ion:    270)
    

       Source Temperature: 260 °C
       Sample Temperature: 170 °C
       Reservoir, 75 eV
    

          31.0       5.5
          37.0       3.1
          49.0       1.2
          50.0       2.1
          56.0       3.8
          61.0       8.7
          62.0      17.4
          68.0       4.9
          73.0       1.2
          74.0       2.7
          79.0       1.4
          80.0       2.1
          81.0       4.5
          92.0       4.0
          93.0       3.5
          95.0       1.1
          95.5       2.2
          96.0       1.3
          96.5       2.1
         111.0       5.6
         112.0      63.6
         113.0       4.1
         135.0       3.6
         136.0       5.7
         137.0       3.2
         191.0      24.5
         192.0       2.4
         193.0      23.8
         194.0       1.6
         270.0      51.8
         271.0       3.6
         272.0     100.0
         273.0       6.7
         274.0      49.3
         275.0       3.2
    

parameter in CDCl3

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    1H NMR 300 MHz
    C6 H2 Br2 F2 0.05 ml : 0.5 ml CDCl3
    1,2-dibromo-4,5-difluorobenzene
    ChemicalStructure
        Parameter     ppm  Hz
    D(A) 7.445 J(A,F-19) 8.5

         Hz     ppm     Int.
    

       2242.00   7.473    501
       2233.50   7.445   1000
       2225.00   7.417    501
    

KBr disc

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liquid film

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nujol mull

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