PM7 Accuracy

tartronic acid   1431 Tartronic acid

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    #  Species Formula
  1421 o-DinitrobenzeneC6H4N2O4
  1422 p-DinitrobenzeneC6H4N2O4
  1423 2,4-DinitrotolueneC7H6N2O4
  1424 DinitrophenylmethaneC7H6N2O4
  1425 N,N'-Bis(m-methoxyphenyl) terephthalamideC22H20N2O4
  1426 N,N'-Bis(o-methoxyphenyl) terephthalamideC22H20N2O4
  1427 N,N'-Bis(p-methoxyphenyl) terephthalamideC22H20N2O4
  1428 MethyldinitramineCH3N3O4
  1429 LiHCO3.2H2OH5LiCO5
  1430 LiHCO3.2H2O (Geo)H5LiCO5
  1431 Tartronic acid C3H4O5
  1432 1,3,5,7,9-pentaoxecaneC5H10O5
  1433 3,5,7,9,11-Pentaoxa-tridecaneC8H18O5
  1434 15-Crown-5C10H20O5
  1435 LiNO3.2H2OH4LiNO5
  1436 LiNO3.2H2O (Geo)H4LiNO5
  1437 Dinitrogen pentoxideN2O5
  1438 SER-SERC6H12N2O5
  1439 THR-THRC8H16N2O5
  1440 Li(+)(H2O)5.OHH11LiO6
  1441 Li(+)(H2O)5.OH (Geo)H11LiO6


DHf: -227.5 kcal/mol,     REF: NIST Chemistry WebBook, NIST Standard Reference Database, No. 69; W. G. Mallard, P. J. Linstrom, Eds., National Institute of Standards and Technology, Gaithersberg, http://webbook.nist.gov/chemistry.
  
 PM7
Tartronic acid
 H=-227.5 HR=NIST
  C    -0.03413603  1   0.07190320  1  -0.00266691  1
  C     1.47950417  1   0.10906386  1   0.02988311  1
  C     2.01409973  1   1.52872392  1  -0.01366460  1
  O    -0.52823132  1   0.42531691  1   1.20326698  1
  O    -0.71731303  1  -0.24773346  1  -0.93013948  1
  O     1.98015473  1  -0.59828000  1  -1.04672104  1
  O     2.68924179  1   2.08969387  1   0.79981546  1
  O     1.63797611  1   2.10835361  1  -1.17309994  1
  H     1.88526394  1  -0.43103532  1   0.92733261  1
  H    -1.51775495  1   0.42356133  1   1.25007169  1
  H     1.61207498  1  -0.33109329  1  -1.91375774  1
  H     1.96963026  1   3.04826763  1  -1.26828774  1