Accuracy

1-Hydroxy-2,2,6,6-tetramethyl-4-piperidinone   1267 1-Hydroxy-2,2,6,6-tetramethyl-4-piperidinone

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    #  Species Formula
  1257 2,6-DimethylnitrobenzeneC8H9NO2
  1258 2-Amino-2-phenylacetic acidC8H9NO2
  1259 2-Nitro-m-xyleneC8H9NO2
  1260 N-PhenylglycineC8H9NO2
  1261 8-Aminocaprylic acidC8H17NO2
  1262 2-Methyl-1H-isoindole-1,3(2H)-dioneC9H7NO2
  1263 NitromesityleneC9H11NO2
  1264 PhenylalanineC9H11NO2
  1265 Phenylalanine Ca-Cb-Cc should be 113.6 (Geo)C9H11NO2
  1266 2,2,6,6-Tetramethyl-4-oxo-1-piperidinyloxyC9H16NO2
  1267 1-Hydroxy-2,2,6,6-tetramethyl-4-piperidinone C9H17NO2
  1268 4-Hydroxy-2,2,6,6-tetramethyl-1-piperidinyloxyC9H18NO2
  1269 1-Hydroxy-2,2,6,6-tetramethyl-4-piperidinolC9H19NO2
  1270 1-Nitroso-2-naphthalenolC10H7NO2
  1271 1-Nitroso-4-naphthalenolC10H7NO2
  1272 2-Nitroso-1-naphthalenolC10H7NO2
  1273 N,N-Dimethyl 4-methoxybenzamideC10H13NO2
  1274 1-NitroadamantaneC10H15NO2
  1275 2-NitroadamantaneC10H15NO2
  1276 Phenol, 2-[(phenylimino)methyl]-, N-oxideC13H11NO2
  1277 Benzenamine, N-[(4-methoxyphenyl)methylene]-, N-oxideC14H13NO2


ΔHf: -71.2 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
1-Hydroxy-2,2,6,6-tetramethyl-4-piperidinone
 H=-71.2 HR=NIST
  N     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
  C     1.49321403 +1    0.0000000 +0    0.0000000 +0     1     0     0
  C     1.54596351 +1  107.9641797 +1    0.0000000 +0     2     1     0
  C     1.50380552 +1  111.4079941 +1  -50.3976538 +1     3     2     1
  C     1.50419174 +1  115.3168927 +1   52.8848551 +1     4     3     2
  C     1.49315759 +1  118.3851033 +1   55.9253423 +1     1     2     3
  C     1.54158129 +1  105.8511296 +1  116.5529124 +1     2     1     3
  C     1.53852132 +1  115.4512734 +1  120.3340342 +1     2     1     7
  C     1.54170742 +1  105.8355578 +1 -172.5026961 +1     6     1     2
  C     1.53897209 +1  115.4125972 +1 -120.2580799 +1     6     1     9
  O     1.39444077 +1  109.3903611 +1  126.3124546 +1     1     2     6
  O     1.20426936 +1  122.3563981 +1  178.4820464 +1     4     3     5
  H     1.10817230 +1  109.9022160 +1 -123.3388237 +1     3     2     4
  H     1.11090324 +1  109.8138867 +1 -115.9192714 +1     3     2    13
  H     1.10812545 +1  110.9173216 +1 -175.5568124 +1     5     4     3
  H     1.11093017 +1  108.8521314 +1 -115.8654018 +1     5     4    15
  H     1.09858855 +1  110.8234691 +1  -50.1636717 +1     7     2     1
  H     1.09717457 +1  111.0663800 +1  117.7031536 +1     7     2    17
  H     1.09246649 +1  111.7189859 +1  121.1751344 +1     7     2    18
  H     1.09428741 +1  112.0592254 +1  -48.6867735 +1     8     2     1
  H     1.09556751 +1  112.3785284 +1  122.3297308 +1     8     2    20
  H     1.09791596 +1  110.5906575 +1  118.8225438 +1     8     2    21
  H     1.09723501 +1  110.9956620 +1  -67.5453968 +1     9     6     1
  H     1.09850714 +1  110.8960580 +1  117.6761189 +1     9     6    23
  H     1.09238173 +1  111.7166029 +1  121.1937551 +1     9     6    24
  H     1.09583194 +1  112.2422809 +1  -74.2225373 +1    10     6     1
  H     1.09422492 +1  112.0829798 +1  122.1341595 +1    10     6    26
  H     1.09759192 +1  110.7037785 +1  119.0293460 +1    10     6    27
  H     1.00190825 +1  109.9304402 +1  -66.1416306 +1    11     1     2