21
ethyne and pentane dimer. Min dist:2.90392600777cm distance: 2.5
C	 0.38326556 -0.17718647 -0.43470256
H	 1.05522706 -0.48813981 -1.1958172 
C	-0.38348961  0.17744971  0.43440973
H	-1.05500302  0.48787657  1.19611003
C	 4.24739154  0.65050936  2.35780726
H	 4.88263729  1.1803603   1.64742665
H	 4.66849091  0.80456365  3.35128759
H	 4.30484394 -0.41348199  2.1323937 
C	 2.81674523  1.16815677  2.28926216
H	 2.1883417   0.61307363  2.98961978
H	 2.40498257  0.98791343  1.29387744
C	 2.721843    2.65588016  2.59716063
H	 3.10379402  2.84434203  3.60501949
H	 3.37092813  3.20440768  1.90957618
C	 1.3047081   3.19968066  2.48246072
H	 0.65651683  2.67123348  3.18536732
H	 0.92299171  2.97913943  1.48324676
C	 1.23454687  4.69858894  2.74282941
H	 1.85984265  5.24184605  2.0337589 
H	 0.21755304  5.07820546  2.65467783
H	 1.59384248  4.93558096  3.74422817
