21
ethyne and pentane dimer. Min dist:2.73247107318cm distance: 2.5
C	 0.32477472  0.40263384 -0.31569167
H	 0.89447065  1.10805631 -0.86827235
C	-0.32511524 -0.40260533  0.31539422
H	-0.89413012 -1.10808481  0.8685698 
C	 0.73450331  4.32500258  2.28413284
H	 1.33482676  4.95461648  1.6267761 
H	 0.0485415   3.75676693  1.65594083
H	 0.13987146  4.97620262  2.92330504
C	 1.62463956  3.39304201  3.09562105
H	 1.01135447  2.78520096  3.76488911
H	 2.29086004  3.97885341  3.73264707
C	 2.46584955  2.48008492  2.2147102 
H	 1.80741548  1.86579474  1.59318298
H	 3.05924938  3.09239115  1.53066047
C	 3.3989868   1.57782437  3.00990021
H	 2.80894261  0.9461915   3.67801234
H	 4.02999045  2.19966888  3.64858492
C	 4.27006222  0.70795358  2.1132437 
H	 4.88206218  1.32557794  1.45529211
H	 4.93629987  0.06927909  2.69149808
H	 3.65654435  0.06554885  1.48160296
