Accuracy

trimethylborane    103 Trimethylborane

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    #  Species Formula
    93 Cyclopropane (Geo)C3H6
    94 CyclopropaneC3H6
    95 PropeneC3H6
    96 Propene (Geo)C3H6
    97 i-Propyl radicalC3H7
    98 PropaneC3H8
    99 Propane (Geo)C3H8
   100 Isopropyl lithiumH7LiC3
   101 Isopropyl lithium (Geo)H7LiC3
   102 Trimethyborane (Geo)H9BC3
   103 Trimethylborane H9BC3
   104 Carbon, tetramerC4
   105 Diacetylene (Geo)C4H2
   106 DiacetyleneC4H2
   107 CH2=C=C=CH2 (Geo)C4H4
   108 CH2=C=C=CH2C4H4
   109 Vinylacetylene (Geo)C4H4
   110 VinylacetyleneC4H4
   111 1,2-ButadieneC4H6
   112 1,3-ButadieneC4H6
   113 1-ButyneC4H6


ΔHf: -29.3 kcal/mol,     REF: M. D. Harmony, V. W. Laurie, R. L. Kuczkowsky, R. H. Schwendeman, D. A. Ramsay, F. J. Lovas, W. J. Lafferty, A. G. Maki, J. Phys. Chem. Ref. Data 8, 3 (1979).
  
 PM7
Trimethylborane
 H=-29.3 HR=HLKS1979 S=75.93 CP=21.15
  B     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
  C     1.59104622 +1    0.0000000 +0    0.0000000 +0     1     0     0
  H     1.09540751 +1  109.6571100 +1    0.0000000 +0     2     1     0
  H     1.09561933 +1  109.4955205 +1  117.7446412 +1     2     1     3
  H     1.09117815 +1  112.9891427 +1 -121.2108328 +1     2     1     3
  C     1.59100779 +1  119.9931574 +1  122.0769343 +1     1     2     3
  H     1.09548214 +1  109.6003483 +1  -58.6820738 +1     6     1     2
  H     1.09555701 +1  109.5503060 +1  117.7341139 +1     6     1     7
  H     1.09119587 +1  113.0017353 +1 -121.1639545 +1     6     1     7
  C     1.59106933 +1  120.0174983 +1  179.9592607 +1     1     2     6
  H     1.09124668 +1  112.9982768 +1   -0.1284160 +1    10     1     2
  H     1.09549757 +1  109.5519015 +1  121.1135836 +1    10     1    11
  H     1.09545398 +1  109.5872705 +1 -121.1425749 +1    10     1    11