PM7 Accuracy

2,2,3-trimethyl butane    219 2,2,3-Trimethyl butane

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    #  Species Formula
   209 1-Ethyl cyclopenteneC7H12
   210 1-Methyl cyclohexeneC7H12
   211 NorbornaneC7H12
   212 1,1-Dimethyl cyclopentaneC7H14
   213 1,2-cis-Dimethyl cyclopentaneC7H14
   214 1,2-trans-Dimethyl cyclopentaneC7H14
   215 1,3-cis-Dimethyl cyclopentaneC7H14
   216 1-HepteneC7H14
   217 Ethyl cyclopentaneC7H14
   218 Methyl-cyclohexaneC7H14
   219 2,2,3-Trimethyl butane C7H16
   220 2,2-Dimethyl pentaneC7H16
   221 2,3-Dimethyl pentaneC7H16
   222 2,4-Dimethyl pentaneC7H16
   223 2-Methyl hexaneC7H16
   224 3,3-Dimethyl pentaneC7H16
   225 3-Ethyl pentaneC7H16
   226 3-Methyl hexaneC7H16
   227 n-HeptaneC7H16
   228 CubaneC8H8
   229 CyclooctatetraeneC8H8


DHf: -48.7 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
2,2,3-Trimethyl butane
 HR=NIST H=-48.69
  C     0.00000000  0    0.0000000  0    0.0000000  0     0     0     0
  C     1.53518918  1    0.0000000  0    0.0000000  0     1     0     0
  C     1.55624508  1  112.4554355  1    0.0000000  0     2     1     0
  C     1.53574219  1  112.0783051  1   61.5379704  1     3     2     1
  C     1.54092331  1  109.5317795  1  120.9040458  1     3     2     4
  C     1.54089983  1  109.5873859  1  118.0837457  1     3     2     5
  C     1.53463568  1  108.7102567  1  125.2731143  1     2     1     3
  H     1.09495730  1  111.5595357  1  -62.1316377  1     1     2     3
  H     1.09444592  1  111.7408013  1  120.7207822  1     1     2     8
  H     1.09558513  1  110.9268190  1  119.6728753  1     1     2     9
  H     1.11918708  1  107.9137267  1  116.9823322  1     2     1     7
  H     1.09483311  1  111.4599001  1  -60.4347416  1     4     3     2
  H     1.09474225  1  111.4728621  1  120.2772724  1     4     3    12
  H     1.09507009  1  111.1599905  1  119.9103575  1     4     3    13
  H     1.09455650  1  111.5792406  1  -66.5701968  1     5     3     2
  H     1.09427311  1  111.4265384  1  120.5693014  1     5     3    15
  H     1.09516457  1  111.0868470  1  119.9292683  1     5     3    16
  H     1.09434652  1  111.4093418  1  -54.1866906  1     6     3     2
  H     1.09454703  1  111.5763864  1  120.6110253  1     6     3    18
  H     1.09509162  1  111.1165610  1  119.5163046  1     6     3    19
  H     1.09459531  1  111.7089644  1  175.0646395  1     7     2     1
  H     1.09486193  1  111.5832148  1  120.7481944  1     7     2    21
  H     1.09565497  1  110.9286822  1  119.7048429  1     7     2    22