Accuracy

cyclopentane    162 Cyclopentane

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    #  Species Formula
   152 Bicyclo(2.1.0)-pentaneC5H8
   153 CyclopenteneC5H8
   154 IsopreneC5H8
   155 Methylene cyclobutaneC5H8
   156 Spiropentane (Geo)C5H8
   157 SpiropentaneC5H8
   158 Cyclopentyl, cationC5H9
   159 2-Methyl-2-buteneC5H10
   160 cis-2-PenteneC5H10
   161 cis-DimethylcyclopropaneC5H10
   162 Cyclopentane C5H10
   163 trans-2-PenteneC5H10
   164 IsopentaneC5H12
   165 n-PentaneC5H12
   166 Neopentane (Geo)C5H12
   167 NeopentaneC5H12
   168 Lithium cyclopentadienide (Geo)H5LiC5
   169 Cyclopentadienylberyllium hydrideH6BeC5
   170 C6H5 radicalC6H5
   171 BenzeneC6H6
   172 Benzene (Geo)C6H6


ΔHf: -18.3 kcal/mol,     REF: J. B. Pedley, B. S. Iseard, "CATCH Tables of Silicon Compounds," University of Sussex, 1972
I.P.: 10.5 eV,     REF: R. D. Levin, S. G. Lias, "Ionization Potentials and Appearance Potential Measurements," 1971-1981, Natl. Stand. Ref. Data Ser., Natl. Bur. Stand. 71, (1982), Cat. No. C13.48:71.
  
 SYMMETRY PM7
Cyclopentane
 H=-18.3 HR=CATCH I=10.5 IR=LLNBS82
 
  C     0.00000000 +0    0.0000000 +0    0.0000000 +0     0     0     0
 XX     0.77075333 +1    0.0000000 +0    0.0000000 +0     1     0     0
 XX     1.47091026 +1   90.0000000 +0    0.0000000 +0     2     1     0
  C     0.77075333 +0   90.0000000 +0  180.0000000 +0     2     3     1
  C     1.22571102 +1   90.0000000 +0  180.0000000 +0     3     2     1
  C     1.22571102 +0   90.0000000 +0    0.0000000 +0     3     2     1
  C     0.92815466 +1  153.5564703 +1   90.0000000 +0     3     2     1
  H     1.10088199 +1  111.2053112 +1  121.4991025 +1     1     4     5
  H     1.10208855 +1  110.5526368 +1 -120.7457388 +1     1     4     5
  H     1.10088199 +0  111.2053112 +0 -121.4988580 +1     4     1     6
  H     1.10208855 +0  110.5526368 +0  120.7459518 +1     4     1     6
  H     1.10307860 +1  110.4546858 +1 -103.6937046 +1     5     4     1
  H     1.10013341 +1  111.6470952 +1  138.1350186 +1     5     4     1
  H     1.10307860 +0  110.4546858 +0  103.6921678 +1     6     1     4
  H     1.10013341 +0  111.6470952 +0 -138.1464274 +1     6     1     4
  H     1.10009896 +1  127.9842075 +1   90.0018930 +0     7     3     5
  H     1.10335298 +1  125.4582907 +1  -90.0020560 +0     7     3     5
 
   2  1    4
   5  1    6
   8  1   10
   8  2   10
   9  1   11
   9  2   11
  12  1   14
  12  2   14
  13  1   15
  13  2   15