21
ethyne and pentane dimer. Min dist:2.82205139087cm distance: 3.5
C	-0.52271118  0.19278545 -0.2384547 
H	-1.4389861   0.52988115 -0.65597894
C	 0.52292627 -0.19241657  0.23830333
H	 1.43877102 -0.53025003  0.65613031
C	 1.54150208  3.11504613  1.91560483
H	 1.94858307  3.7346208   1.11602238
H	 1.77883377  2.0779082   1.67879449
H	 0.45752536  3.22020252  1.90437012
C	 2.13592569  3.51377145  3.2598834 
H	 1.70227828  2.90017556  4.05295282
H	 1.87182798  4.54838364  3.4893543 
C	 3.65168496  3.37671159  3.2884704 
H	 3.92716998  2.33659482  3.08985256
H	 4.07897121  3.97313868  2.47812016
C	 4.2660723   3.82035042  4.60864432
H	 3.86035339  3.21075139  5.41936451
H	 3.95971745  4.84886775  4.81130948
C	 5.78610035  3.72588039  4.6031112 
H	 6.2072405   4.34743834  3.81240849
H	 6.21580951  4.04891532  5.5502935 
H	 6.11040413  2.701243    4.42144307
