Accuracy

2,2,6,6-tetramethyl-4-piperidinone    990 2,2,6,6-Tetramethyl-4-piperidinone

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    #  Species Formula
   980 Octanone-4-oximeC8H17NO
   981 2(1H)-QuinolinoneC9H7NO
   982 3-Phenyl isoxazoleC9H7NO
   983 4-QuinolinolC9H7NO
   984 5-Phenyl isoxazoleC9H7NO
   985 8-QuinolinolC9H7NO
   986 a-CyanoacetophenoneC9H7NO
   987 2,4,6-TrimethylnitrosobenzeneC9H11NO
   988 N,N-Dimethyl benzamideC9H11NO
   989 N,N-Dimethyamino-2,4,6-heptatriene-7-alC9H13NO
   990 2,2,6,6-Tetramethyl-4-piperidinone C9H17NO
   991 2-Methyl-4-hydroxyquinolineC10H9NO
   992 2-Methyl-8-quinolinolC10H9NO
   993 3-Methyl-5-phenyl isoxazoleC10H9NO
   994 4-Methyl-2-hydroxyquinolineC10H9NO
   995 5-Methyl-3-phenyl isoxazoleC10H9NO
   996 beta-CyanopropiophenoneC10H9NO
   997 2,4,6-Trimethylbenzonitrile, N-oxideC10H11NO
   998 2-(Dimethylamino)-acetophenoneC10H13NO
   999 N,N,4-Trimethyl benzamideC10H13NO
  1000 (E)-3-(Methylamino)-1-phenyl-but-2-enoneC11H13NO


ΔHf: -65.4 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
2,2,6,6-Tetramethyl-4-piperidinone
 H=-65.4 HR=NIST
  C     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
  C     1.50268638 +1    0.0000000 +0    0.0000000 +0     1     0     0
  C     1.55476156 +1  110.7352255 +1    0.0000000 +0     2     1     0
  N     1.47896877 +1  112.8865696 +1  -46.3218905 +1     3     2     1
  C     1.47799624 +1  118.3580920 +1   45.0173951 +1     4     3     2
  C     1.50313201 +1  115.3981781 +1   53.1487089 +1     1     2     3
  C     1.54576104 +1  107.2599773 +1 -164.5832385 +1     5     4     3
  C     1.53835682 +1  110.1585121 +1 -118.1202810 +1     5     4     7
  C     1.54527187 +1  108.3207411 +1 -118.6822828 +1     3     2     4
  C     1.53854561 +1  109.5199314 +1 -118.3847650 +1     3     2     9
  O     1.20450572 +1  122.3473515 +1  178.7796154 +1     1     2     6
  H     1.10585963 +1  109.3958634 +1 -122.1011952 +1     2     1     3
  H     1.10807721 +1  110.6322678 +1 -115.9270069 +1     2     1    12
  H     1.01874486 +1  110.9190325 +1 -130.0263823 +1     4     3     5
  H     1.10792440 +1  110.5991911 +1 -175.4901605 +1     6     1     2
  H     1.10546877 +1  109.5232895 +1 -115.9473139 +1     6     1    15
  H     1.09349941 +1  112.3418259 +1   61.8924117 +1     7     5     4
  H     1.09464576 +1  111.0834608 +1  120.5746004 +1     7     5    17
  H     1.09774349 +1  110.4796175 +1  119.2193834 +1     7     5    18
  H     1.09400792 +1  111.4023279 +1  160.4060321 +1     8     5     4
  H     1.09542635 +1  112.0396334 +1  120.1539185 +1     8     5    20
  H     1.09766882 +1  110.4893535 +1  119.7814184 +1     8     5    21
  H     1.09356641 +1  112.3328110 +1   60.7728900 +1     9     3     2
  H     1.09779880 +1  110.4823752 +1  120.1838123 +1     9     3    23
  H     1.09474067 +1  111.0989207 +1  119.2160986 +1     9     3    24
  H     1.09785424 +1  110.5116807 +1 -164.8672666 +1    10     3     2
  H     1.09530103 +1  111.9947074 +1  119.7389506 +1    10     3    26
  H     1.09413499 +1  111.4268933 +1  120.2453295 +1    10     3    27