PM7 Accuracy Date:Mon Feb 11 04:20:05 2019

carbon suboxide   1064 Carbon suboxide

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    #  Species Formula
  1054 trans GlyoxalC2H2O2
  1055 Acetate, anionC2H3O2
  1056 Acetic acidC2H4O2
  1057 Methyl formate (Geo)C2H4O2
  1058 Methyl formateC2H4O2
  1059 Dimethyl peroxideC2H6O2
  1060 Ethylene glycolC2H6O2
  1061 H2O - CH3OCH3 (Geo)C2H8O2
  1062 DimethoxyboraneH7BC2O2
  1063 Carbon suboxide (Geo)C3O2
  1064 Carbon suboxide C3O2
  1065 2-Oxo-propanalC3H4O2
  1066 2-Propenoic acidC3H4O2
  1067 beta-PropiolactoneC3H4O2
  1068 1,3-DioxalaneC3H6O2
  1069 Ethyl formateC3H6O2
  1070 Methyl acetateC3H6O2
  1071 Propionic acidC3H6O2
  1072 1,3-PropanediolC3H8O2
  1073 2-MethoxyethanolC3H8O2
  1074 DimethoxymethaneC3H8O2


ΔHf: -22.4 kcal/mol,     REF: J. O. Cox, G. Pilcher, "Thermochemistry of Organic and Organometallic Compounds," Academic Press, New York, N.Y., 1970.
I.P.: 10.6 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
Carbon suboxide
 H=-22.4 HR=C&P1970 I=10.6 IR=LLNBS82 HWT=0.5
  O     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
  C     1.15868910 +1    0.0000000 +0    0.0000000 +0     1     0     0
  C     1.27953216 +1  180.0000000 +0    0.0000000 +0     2     1     0
  C     1.27954002 +1  180.0000000 +0    0.0000000 +0     3     2     1
  O     1.15869235 +1  179.0000000 +0    0.0000000 +0     4     3     2