PM7 Accuracy

2,2,6,6-tetramethyl-4-piperidinone    993 2,2,6,6-Tetramethyl-4-piperidinone

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    #  Species Formula
   983 Octanone-4-oximeC8H17NO
   984 2(1H)-QuinolinoneC9H7NO
   985 3-Phenyl isoxazoleC9H7NO
   986 4-QuinolinolC9H7NO
   987 5-Phenyl isoxazoleC9H7NO
   988 8-QuinolinolC9H7NO
   989 a-CyanoacetophenoneC9H7NO
   990 2,4,6-TrimethylnitrosobenzeneC9H11NO
   991 N,N-Dimethyl benzamideC9H11NO
   992 N,N-Dimethyamino-2,4,6-heptatriene-7-alC9H13NO
   993 2,2,6,6-Tetramethyl-4-piperidinone C9H17NO
   994 2-Methyl-4-hydroxyquinolineC10H9NO
   995 2-Methyl-8-quinolinolC10H9NO
   996 3-Methyl-5-phenyl isoxazoleC10H9NO
   997 4-Methyl-2-hydroxyquinolineC10H9NO
   998 5-Methyl-3-phenyl isoxazoleC10H9NO
   999 beta-CyanopropiophenoneC10H9NO
  1000 2,4,6-Trimethylbenzonitrile, N-oxideC10H11NO
  1001 2-(Dimethylamino)-acetophenoneC10H13NO
  1002 N,N,4-Trimethyl benzamideC10H13NO
  1003 (E)-3-(Methylamino)-1-phenyl-but-2-enoneC11H13NO


DHf: -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