21
ethyne and pentane dimer. Min dist:5.40524801485cm distance: 5.25
C	 0.36765079  0.24542556  0.41455162
H	 1.01183609  0.67472397  1.14135827
C	-0.36765321 -0.24504037 -0.4147901 
H	-1.01183367 -0.67510915 -1.14111979
C	 6.83976159  4.93206408  7.21616033
H	 6.5636633   5.86530603  7.70784009
H	 6.27919797  4.1306037   7.69729468
H	 7.89867419  4.75530398  7.39959861
C	 6.52510169  4.99556951  5.7274151 
H	 6.82757908  4.06316824  5.24508287
H	 7.10959032  5.79037932  5.25893107
C	 5.04863627  5.24749092  5.45591135
H	 4.45464665  4.44026603  5.89494238
H	 4.7453584   6.168474    5.96066775
C	 4.72626652  5.36489389  3.97286021
H	 5.00514925  4.43732525  3.46756141
H	 5.34643117  6.15238187  3.53923267
C	 3.25531811  5.66795885  3.72007006
H	 2.9673331   6.60360936  4.20020216
H	 3.03598083  5.75366713  2.65672576
H	 2.62131155  4.88153785  4.12950348
