21
ethyne and pentane dimer. Min dist:2.8772167443cm distance: 3.75
C	-0.46754952 -0.35670014 -0.14634312
H	-1.28705461 -0.98111641 -0.40331679
C	 0.4677019   0.35639338  0.14663964
H	 1.28690223  0.98142317  0.40302026
C	 4.52486176  1.95152063  2.1192723 
H	 4.20764073  1.11779697  2.7463253 
H	 3.74487105  2.11712163  1.37613613
H	 5.4294731   1.65130797  1.59226156
C	 4.7469122   3.20192814  2.95985592
H	 5.08564525  4.02148938  2.32182114
H	 5.54413027  3.02403951  3.68485653
C	 3.49159545  3.63041084  3.70665658
H	 2.69413045  3.84108486  2.98773379
H	 3.14313787  2.79887592  4.32479354
C	 3.71075678  4.84923411  4.59185968
H	 4.03588146  5.69037021  3.97519928
H	 4.52850506  4.63862542  5.28446786
C	 2.46012498  5.23394415  5.37119192
H	 2.13603746  4.41108513  6.0089806 
H	 2.62844815  6.10428908  6.00390264
H	 1.63784797  5.46687605  4.69468524
