21
ethyne and pentane dimer. Min dist:5.7215641942cm distance: 4.5
C	-0.38880285 -0.12547526  0.44759598
H	-1.07000686 -0.34615986  1.2316745 
C	 0.38878261  0.1259178  -0.44750115
H	 1.07002709  0.34571731 -1.23176933
C	 4.20492328  2.00696048  4.93805856
H	 3.33541729  1.90302939  4.28838367
H	 5.07711813  1.68005537  4.37195807
H	 4.07950802  1.32724012  5.77974786
C	 4.36505448  3.45106968  5.3944715 
H	 5.22595539  3.53503257  6.06178622
H	 3.49178647  3.7547097   5.97587722
C	 4.53614247  4.41355839  4.22764967
H	 5.42656891  4.13713199  3.65501266
H	 3.68433198  4.30819292  3.5506834 
C	 4.64600574  5.8675239   4.66475465
H	 5.51059859  5.98313923  5.32247673
H	 3.76715741  6.12318865  5.2606032 
C	 4.76478579  6.82199049  3.48393913
H	 3.89716268  6.73398053  2.82942521
H	 4.83898806  7.85940337  3.80708674
H	 5.64849531  6.59379321  2.88808553
