21
ethyne and pentane dimer. Min dist:5.44766479319cm distance: 5.0
C	-0.1830646  -0.53288239  0.22310888
H	-0.50444724 -1.46661943  0.61345239
C	 0.18339704  0.53290644 -0.22280204
H	 0.5041148   1.46659538 -0.61375923
C	 2.59026904  4.29333414  4.56637379
H	 2.15561982  5.22403175  4.93216307
H	 2.63792936  4.35960464  3.47945278
H	 1.91089305  3.48125595  4.82165187
C	 3.97732056  4.07923698  5.1576915 
H	 4.39011409  3.13307104  4.80008752
H	 3.90776443  3.99572674  6.24443658
C	 4.93659496  5.20982188  4.81316394
H	 5.03787179  5.28305515  3.72616632
H	 4.50778927  6.15677416  5.15135528
C	 6.31297727  5.03622912  5.43972893
H	 6.75636978  4.10262376  5.08579367
H	 6.19704931  4.9337597   6.52085569
C	 7.24431761  6.20029618  5.12829112
H	 6.82506991  7.13731295  5.49589829
H	 8.22464966  6.06827248  5.58400446
H	 7.3874001   6.30559338  4.05288518
