21
ethyne and pentane dimer. Min dist:3.30693393729cm distance: 4.5
C	-0.47348585  0.02459545 -0.37743882
H	-1.30259606  0.06757245 -1.03944258
C	 0.47321498 -0.02453284  0.37779653
H	 1.30286693 -0.06763505  1.03908488
C	 5.82706776  5.88436706  6.17828205
H	 5.56986722  6.84359181  5.72810923
H	 5.15532029  5.72862696  7.02241529
H	 6.8414932   5.95655359  6.56805091
C	 5.68921341  4.75929493  5.16112176
H	 5.97154768  3.80887995  5.61993306
H	 6.38271044  4.92157417  4.33313976
C	 4.27698419  4.64991119  4.6036519 
H	 3.57645921  4.45661013  5.42162707
H	 3.9904308   5.61044673  4.16750404
C	 4.13500936  3.56298363  3.54744263
H	 4.39695144  2.59690632  3.98512633
H	 4.85932424  3.7490364   2.75149875
C	 2.73007136  3.50060828  2.96289237
H	 2.46259289  4.45194359  2.50210991
H	 2.64008334  2.72271601  2.2059633 
H	 1.99487319  3.29594923  3.74113164
