PM7 Accuracy

trimethylene oxide    756 Trimethylene oxide

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    #  Species Formula
   746 Ethoxy, anionC2H5O
   747 Dimethyl ether (Geo)C2H6O
   748 Dimethyl etherC2H6O
   749 EthanolC2H6O
   750 PropynalC3H2O
   751 AcroleinC3H4O
   752 Acrolein (Geo)C3H4O
   753 AcetoneC3H6O
   754 Acetone (Geo)C3H6O
   755 PropanalC3H6O
   756 Trimethylene oxide C3H6O
   757 IsopropanolC3H8O
   758 Methyl ethyl etherC3H8O
   759 PropanolC3H8O
   760 Acetyl acetyleneC4H4O
   761 FuranC4H4O
   762 Furan (Geo)C4H4O
   763 2,3-DihydrofuranC4H6O
   764 CrotonaldehydeC4H6O
   765 Divinyl etherC4H6O
   766 ButanalC4H8O


DHf: -19.2 kcal/mol,     REF: J. O. Cox, G. Pilcher, "Thermochemistry of Organic and Organometallic Compounds," Academic Press, New York, N.Y., 1970.
  
 PM7
Trimethylene oxide
 HR=C&P1970 H=-19.25
  C     0.00000000  0    0.0000000  0    0.0000000  0     0     0     0
  C     2.09215165  1    0.0000000  0    0.0000000  0     1     0     0
  C     1.54815508  1   47.4911132  1    0.0000000  0     1     2     0
  O     1.45580022  1   44.0315479  1 -179.9772473  1     1     2     3
  H     1.09216229  1  123.5357836  1  -96.6776337  1     1     2     3
  H     1.09216142  1  123.4980532  1   96.6893078  1     1     2     3
  H     1.09235651  1  123.5828382  1   96.5449436  1     2     1     3
  H     1.09235594  1  123.5449792  1  -96.5566351  1     2     1     3
  H     1.09099468  1  115.4977932  1  116.0363609  1     3     1     2
  H     1.09099584  1  115.5084625  1 -116.0499488  1     3     1     2