21
ethyne and pentane dimer. Min dist:5.99957936446cm distance: 4.5
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	 2.73450331  6.32500258  4.28413284
H	 3.33482676  6.95461648  3.6267761 
H	 2.0485415   5.75676693  3.65594083
H	 2.13987146  6.97620262  4.92330504
C	 3.62463956  5.39304201  5.09562105
H	 3.01135447  4.78520096  5.76488911
H	 4.29086004  5.97885341  5.73264707
C	 4.46584955  4.48008492  4.2147102 
H	 3.80741548  3.86579474  3.59318298
H	 5.05924938  5.09239115  3.53066047
C	 5.3989868   3.57782437  5.00990021
H	 4.80894261  2.9461915   5.67801234
H	 6.02999045  4.19966888  5.64858492
C	 6.27006222  2.70795358  4.1132437 
H	 6.88206218  3.32557794  3.45529211
H	 6.93629987  2.06927909  4.69149808
H	 5.65654435  2.06554885  3.48160296
