21
ethyne and pentane dimer. Min dist:2.53983776046cm distance: 3.25
C	-0.45535188 -0.38881452 -0.09344405
H	-1.2526627  -1.0707392  -0.25713249
C	 0.45506725  0.38916635  0.09342296
H	 1.25294734  1.07038737  0.25715357
C	 5.76770502  2.85912912  3.19907829
H	 6.00134397  3.68530483  3.87121394
H	 5.76089886  1.94564944  3.79369506
H	 6.57461338  2.77800391  2.47209326
C	 4.41882805  3.07836448  2.52686335
H	 4.20914402  2.25472222  1.84045594
H	 4.45036495  3.98629968  1.92065712
C	 3.28173311  3.19888284  3.53166146
H	 3.22102512  2.28144988  4.1248016 
H	 3.50791262  4.00830186  4.23069651
C	 1.93400227  3.46965695  2.87786534
H	 1.69176193  2.65112956  2.1960893 
H	 2.01486581  4.36982704  2.26473465
C	 0.81641473  3.63878389  3.89856835
H	 1.03366891  4.46750782  4.57304693
H	-0.1423886   3.83573693  3.42101048
H	 0.70810584  2.74124954  4.50746842
