21
ethyne and pentane dimer. Min dist:5.15876089331cm distance: 4.0
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	 2.23450331  5.82500258  3.78413284
H	 2.83482676  6.45461648  3.1267761 
H	 1.5485415   5.25676693  3.15594083
H	 1.63987146  6.47620262  4.42330504
C	 3.12463956  4.89304201  4.59562105
H	 2.51135447  4.28520096  5.26488911
H	 3.79086004  5.47885341  5.23264707
C	 3.96584955  3.98008492  3.7147102 
H	 3.30741548  3.36579474  3.09318298
H	 4.55924938  4.59239115  3.03066047
C	 4.8989868   3.07782437  4.50990021
H	 4.30894261  2.4461915   5.17801234
H	 5.52999045  3.69966888  5.14858492
C	 5.77006222  2.20795358  3.6132437 
H	 6.38206218  2.82557794  2.95529211
H	 6.43629987  1.56927909  4.19149808
H	 5.15654435  1.56554885  2.98160296
