DIETHYL 1,2-CYCLOPROPANEDICARBOXYLATE

Mass

MS-IW-1268          
diethyl 1,2-cyclopropanedicarboxylate
C9H14O4             (Mass of molecular ion:    186)

   Source Temperature: 230 °C
   Sample Temperature: 160 °C
   Reservoir, 75 eV

      27.0       6.5
      28.0       2.2
      29.0      28.6
      31.0       1.0
      39.0       7.9
      40.0       3.5
      41.0       4.0
      42.0       3.0
      43.0       2.2
      45.0       2.8
      55.0       7.7
      57.0       5.1
      67.0       3.3
      68.0       7.6
      69.0       2.0
      71.0       1.0
      73.0       1.2
      84.0      15.9
      85.0      31.4
      86.0      14.2
      95.0       3.2
      96.0       1.7
      99.0       1.1
     112.0      33.1
     113.0      31.3
     114.0      18.9
     115.0       1.4
     131.0       2.9
     140.0      13.0
     141.0     100.0
     142.0       9.9
     143.0       1.0
     157.0       4.0
     158.0       2.7
     159.0       9.3
     186.0       3.7
     187.0       1.1

Assign. Shift(ppm) A 4.153 B 2.150 C 1.419 D 1.272

     Hz     ppm     Int.

   1670.41   4.180    273
   1663.33   4.162    644
   1656.13   4.144    656
   1648.93   4.126    275
    866.82   2.169    258
    861.08   2.155    169
    859.62   2.151    232
    859.13   2.150    232
    858.03   2.147    182
    852.17   2.133    283
    574.22   1.437    270
    570.31   1.428     23
    568.36   1.423    179
    567.26   1.420    202
    566.77   1.419    205
    565.31   1.415    165
    559.57   1.401    246
    515.38   1.290    679
    508.30   1.272   1000
    501.10   1.254    661