Accuracy

ethylene oxide    742 Ethylene oxide

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    #  Species Formula
   732 Methanol (Geo)CH4O
   733 MethanolCH4O
   734 Lithium methoxide (Geo)H3LiCO
   735 Lithium methoxideH3LiCO
   736 BH3COH3BCO
   737 BH3CO (Geo)H3BCO
   738 Ketene (Geo)C2H2O
   739 KeteneC2H2O
   740 AcetaldehydeC2H4O
   741 Acetaldehyde (Geo)C2H4O
   742 Ethylene oxide C2H4O
   743 Ethoxy, anionC2H5O
   744 Dimethyl ether (Geo)C2H6O
   745 Dimethyl etherC2H6O
   746 EthanolC2H6O
   747 PropynalC3H2O
   748 AcroleinC3H4O
   749 Acrolein (Geo)C3H4O
   750 AcetoneC3H6O
   751 Acetone (Geo)C3H6O
   752 PropanalC3H6O


ΔHf: -12.6 kcal/mol,     REF: J. O. Cox, G. Pilcher, "Thermochemistry of Organic and Organometallic Compounds," Academic Press, New York, N.Y., 1970.
Dipole: 1.9 Debye,     REF: R. D. Nelson, D. R. Lide, A. A. Maryott, Nat. Stand. Ref. Data Set., Natl. Bur. Stand. No. 10 (1967).
I.P.: 10.6 eV,     REF: D. W. Turner, C. Baker, A. D. Baker, C. R. Brundle, "Molecular Photoelectron Spectroscopy," Wiley-Interscience, London, 1970.
  
 PM7
Ethylene oxide
 D=1.89 HR=C&P1970 I=10.57 H=-12.58 DR=NLM1967 IR=TBBB1970
  C     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
  O     1.43016541 +1    0.0000000 +0    0.0000000 +0     1     0     0
  C     1.48510540 +1   58.7124193 +1    0.0000000 +0     1     2     0
  H     1.08724737 +1  114.9257407 +1 -112.6536228 +1     1     2     3
  H     1.08724774 +1  114.9169908 +1  112.6403854 +1     1     2     3
  H     1.08702236 +1  121.0639262 +1  102.3263761 +1     3     1     2
  H     1.08702294 +1  121.0777541 +1 -102.3308208 +1     3     1     2