21
ethyne and pentane dimer. Min dist:3.27860759528cm distance: 4.0
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	 4.77486176  2.20152063  2.3692723 
H	 4.45764073  1.36779697  2.9963253 
H	 3.99487105  2.36712163  1.62613613
H	 5.6794731   1.90130797  1.84226156
C	 4.9969122   3.45192814  3.20985592
H	 5.33564525  4.27148938  2.57182114
H	 5.79413027  3.27403951  3.93485653
C	 3.74159545  3.88041084  3.95665658
H	 2.94413045  4.09108486  3.23773379
H	 3.39313787  3.04887592  4.57479354
C	 3.96075678  5.09923411  4.84185968
H	 4.28588146  5.94037021  4.22519928
H	 4.77850506  4.88862542  5.53446786
C	 2.71012498  5.48394415  5.62119192
H	 2.38603746  4.66108513  6.2589806 
H	 2.87844815  6.35428908  6.25390264
H	 1.88784797  5.71687605  4.94468524
