21
ethyne and pentane dimer. Min dist:3.86883612626cm distance: 3.75
C	-0.13059945 -0.21648592 -0.55075537
H	-0.35862749 -0.59607195 -1.51586542
C	 0.13017306  0.21662905  0.5508097 
H	 0.35905389  0.59592883  1.51581109
C	 2.10301889  4.79095163  5.39258472
H	 1.98887996  5.71856905  4.83096383
H	 1.25833012  4.14988545  5.14040304
H	 2.0361388   5.02911352  6.45324282
C	 3.42136017  4.11178178  5.04601473
H	 3.5316218   3.19663194  5.63240386
H	 4.25579961  4.7596246   5.3232103 
C	 3.53099329  3.77759295  3.56499237
H	 2.71663765  3.10368363  3.28240601
H	 3.39579919  4.69241997  2.9820855 
C	 4.86454352  3.1446287   3.19331183
H	 4.99368752  2.21680347  3.75540454
H	 5.67030876  3.81168068  3.50725193
C	 4.97865182  2.86377515  1.70081693
H	 4.87399475  3.78499436  1.1269649 
H	 5.93730508  2.41470313  1.44493785
H	 4.19292906  2.18315998  1.37300484
