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156 Bicyclo(2.1.0)-pentane

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  #           Species Formula
  146 t-Butyl lithiumC4H9Li
  147 DiethylberylliumCH10Be4
  148 C4B2H6C4H6B2
  149 Cyclopentadienyl, anionC5H5
  150 Cyclopentadiene (Geo)C5H6
  151 CyclopentadieneC5H6
  152 1,2-Dimethyl cyclopropeneC5H8
  153 1,4-PentadieneC5H8
  154 1,cis-3-PentadieneC5H8
  155 1,trans-3-PentadieneC5H8
  156 Bicyclo(2.1.0)-pentane C5H8
  157 CyclopenteneC5H8
  158 IsopreneC5H8
  159 Methylene cyclobutaneC5H8
  160 Spiropentane (Geo)C5H8
  161 SpiropentaneC5H8
  162 Cyclopentyl, cationC5H9
  163 2-Methyl-2-buteneC5H10
  164 cis-2-PenteneC5H10
  165 cis-DimethylcyclopropaneC5H10
  166 CyclopentaneC5H10



DHf: 37.3 kcal/mol,     REF: R. B. Turner, P. Goebel, B. J. Mallon, W. von E. Doering, J. F. Coburn, M. Pomerantz, J. Am. Chem. Soc., 90, 4315 (1968).

  
 SYMMETRY
Bicyclo(2.1.0)-pentane
 H=37.3 HR=TGMD1968
 XX         0.00000000 +0    0.0000000 +0    0.0000000 +0 
 XX         1.53981801 +1    0.0000000 +0    0.0000000 +0    1    0    0
  C         0.77057135 +1   90.0000000 +0    0.0000000 +0    2    1    0       0.0000
  C         0.78095618 +1   90.0000000 +0    0.0000000 +0    1    2    3       0.0000
  C         0.78095618 +0   90.0000000 +0  180.0000000 +0    1    2    3       0.0000
  C         0.77057135 +0   90.0000000 +0  180.0000000 +0    2    1    4       0.0000
  C         1.31227738 +1  114.9099058 +1   90.0000000 +0    2    1    4       0.0000
  H         1.08657321 +1  126.0780884 +1    0.0000000 +0    7    2    1       0.0000
  H         1.08749705 +1  123.2981582 +1  180.0000000 +0    7    2    1       0.0000
  H         1.07308256 +1  130.8006747 +1 -135.2943525 +1    3    2    1       0.0000
  H         1.07308256 +0  130.8006747 +0  135.2950874 +1    6    2    1       0.0000
  H         1.09444969 +1  114.0479475 +1  115.8670524 +1    4    1    2       0.0000
  H         1.09412005 +1  115.1374093 +1 -117.7951032 +1    4    1    2       0.0000
  H         1.09444969 +0  114.0479475 +0 -115.8669630 +1    5    1    2       0.0000
  H         1.09412005 +0  115.1374093 +0  117.7948475 +1    5    1    2       0.0000