21
ethyne and pentane dimer. Min dist:3.52577655937cm distance: 2.75
C	 0.27130174 -0.50642545  0.1928276 
H	 0.74699448 -1.39334819  0.53136001
C	-0.27147746  0.50620628 -0.19318303
H	-0.74681876  1.39356737 -0.53100458
C	 2.137491    0.94381905  4.44019369
H	 1.24696423  1.45766323  4.80329975
H	 1.81234224  0.20101597  3.71178279
H	 2.58624332  0.41407277  5.27934795
C	 3.10872093  1.93276766  3.80924264
H	 4.00462601  1.4070359   3.47090954
H	 3.43849916  2.65666818  4.55760167
C	 2.49298617  2.68465095  2.6376322 
H	 2.18630678  1.97064518  1.86735468
H	 1.58393587  3.18891156  2.97573742
C	 3.43438028  3.71406394  2.02834375
H	 4.33452504  3.21166065  1.66665827
H	 3.75765321  4.40260488  2.81204034
C	 2.78633911  4.49321624  0.89150392
H	 1.8979412   5.01877992  1.24283861
H	 3.46649231  5.22927653  0.46516754
H	 2.47455314  3.82314738  0.09034523
