21
ethyne and pentane dimer. Min dist:5.34523334303cm distance: 4.25
C	-0.30166942 -0.10587088  0.51482111
H	-0.83098696 -0.29125141  1.41647333
C	 0.30206612  0.10580621 -0.51461208
H	 0.83059026  0.29131609 -1.41668235
C	 5.49486173  6.39374751  3.65934146
H	 5.69827595  6.66868476  4.69469258
H	 6.38980069  5.9105072   3.26739295
H	 5.33517786  7.31009936  3.09278169
C	 4.29455906  5.45996645  3.57728903
H	 4.08950112  5.21163074  2.5333591 
H	 3.4043064   5.96706298  3.95561455
C	 4.50168065  4.17660912  4.36926341
H	 5.3740797   3.64423905  3.97851293
H	 4.73041538  4.43127457  5.40743115
C	 3.29048182  3.25505895  4.33944592
H	 3.0722988   2.97782073  3.30551111
H	 2.42019276  3.80591313  4.70266895
C	 3.49420603  2.00018862  5.1780384 
H	 3.69103661  2.26056786  6.21840587
H	 2.62101846  1.34974498  5.15309064
H	 4.34810695  1.42688398  4.81716025
