21
ethyne and pentane dimer. Min dist:3.16357546531cm distance: 3.25
C	 0.17832066 -0.28127749 -0.50629889
H	 0.4915581  -0.77419889 -1.39310808
C	-0.17874176  0.28131996  0.50613729
H	-0.49113699  0.77415643  1.39326968
C	 2.76015179  0.8594086   3.98439302
H	 2.98914263  0.41775607  3.01412191
H	 3.64253665  0.74233513  4.61348072
H	 1.95148917  0.28454073  4.43359378
C	 2.39403553  2.32987688  3.83244539
H	 2.14567579  2.75227089  4.80887246
H	 1.49758668  2.42655282  3.21611746
C	 3.51366217  3.1450682   3.20075869
H	 4.40895798  3.08038506  3.8264147 
H	 3.77485376  2.70397395  2.2352634 
C	 3.14399925  4.60728593  2.99480958
H	 2.90549917  5.05951034  3.9602612 
H	 2.23270051  4.65874081  2.39509185
C	 4.25462356  5.39737805  2.3153182 
H	 4.48859725  4.9707362   1.33954306
H	 3.97887857  6.44082929  2.16927005
H	 5.16760954  5.37335104  2.91024453
