Accuracy

propanal    752 Propanal

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    #  Species Formula
   742 Ethylene oxideC2H4O
   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 Propanal C3H6O
   753 Trimethylene oxideC3H6O
   754 IsopropanolC3H8O
   755 Methyl ethyl etherC3H8O
   756 PropanolC3H8O
   757 Acetyl acetyleneC4H4O
   758 FuranC4H4O
   759 Furan (Geo)C4H4O
   760 2,3-DihydrofuranC4H6O
   761 CrotonaldehydeC4H6O
   762 Divinyl etherC4H6O


ΔHf: -45.5 kcal/mol,     REF: J. O. Cox, G. Pilcher, "Thermochemistry of Organic and Organometallic Compounds," Academic Press, New York, N.Y., 1970.
I.P.: 10.0 eV,     REF: R. D. Levin, S. G. Lias, "Ionization Potentials and Appearance Potential Measurements," 1971-1981, Natl. Stand. Ref. Data Ser., Natl. Bur. Stand. 71, (1982), Cat. No. C13.48:71.
  
 PM7
Propanal
 H=-45.5 HR=C&P1970 I=10 IR=LLNBS82 S=72.78 CP=19.29
  C     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
  C     1.52249256 +1    0.0000000 +0    0.0000000 +0     1     0     0
  C     1.50490446 +1  112.0427374 +1    0.0000000 +0     1     2     0
  O     1.20640027 +1  121.4720458 +1 -179.5447334 +1     3     1     2
  H     1.11143146 +1  110.7825176 +1 -122.4276089 +1     1     2     3
  H     1.11144018 +1  110.7733779 +1  122.3751552 +1     1     2     3
  H     1.09781939 +1  111.1886006 +1  179.9080973 +1     2     1     3
  H     1.09680151 +1  111.8841832 +1  -60.5613446 +1     2     1     3
  H     1.09682403 +1  111.8880969 +1   60.3740676 +1     2     1     3
  H     1.09680606 +1  117.9157627 +1    0.4672956 +1     3     1     2