21
ethyne and pentane dimer. Min dist:4.32789502624cm distance: 3.5
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	 1.73450331  5.32500258  3.28413284
H	 2.33482676  5.95461648  2.6267761 
H	 1.0485415   4.75676693  2.65594083
H	 1.13987146  5.97620262  3.92330504
C	 2.62463956  4.39304201  4.09562105
H	 2.01135447  3.78520096  4.76488911
H	 3.29086004  4.97885341  4.73264707
C	 3.46584955  3.48008492  3.2147102 
H	 2.80741548  2.86579474  2.59318298
H	 4.05924938  4.09239115  2.53066047
C	 4.3989868   2.57782437  4.00990021
H	 3.80894261  1.9461915   4.67801234
H	 5.02999045  3.19966888  4.64858492
C	 5.27006222  1.70795358  3.1132437 
H	 5.88206218  2.32557794  2.45529211
H	 5.93629987  1.06927909  3.69149808
H	 4.65654435  1.06554885  2.48160296
