21
ethyne and pentane dimer. Min dist:3.19594819982cm distance: 3.75
C	 0.12106145  0.59355871  0.01691249
H	 0.33261541  1.63367835  0.04717449
C	-0.12076147 -0.59361917 -0.01724657
H	-0.33291538 -1.6336179  -0.04684042
C	 5.30175108  5.66687215  4.39177985
H	 4.50705812  6.29634062  4.7932177 
H	 5.77620718  5.16249654  5.23353826
H	 6.04452231  6.31588208  3.92997184
C	 4.73818682  4.65599783  3.40186339
H	 5.54820043  4.04833113  2.99182898
H	 4.28466882  5.17846067  2.55677115
C	 3.69438979  3.74503813  4.03255268
H	 4.14623788  3.19306228  4.8622152 
H	 2.89852805  4.3588146   4.46249322
C	 3.08396402  2.76245894  3.04307559
H	 3.87230035  2.12997612  2.62837407
H	 2.66326522  3.32251136  2.20514471
C	 2.00552791  1.89376439  3.67694135
H	 1.19994081  2.51072944  4.07604991
H	 1.57278895  1.19724398  2.9601763 
H	 2.41246226  1.31201972  4.5040058 
