21
ethyne and pentane dimer. Min dist:2.80100355493cm distance: 3.0
C	 0.56978978 -0.20633406 -0.00443984
H	 1.56834692 -0.56737819 -0.01154651
C	-0.56989506  0.20607633  0.00408243
H	-1.56824165  0.56763593  0.01190391
C	 4.4266939   2.18289146  4.9470721 
H	 3.5825464   2.02981863  5.62005315
H	 4.67978058  1.21497941  4.51445914
H	 5.27616862  2.51459052  5.54251988
C	 4.07081605  3.18676425  3.85849664
H	 4.93255023  3.34649017  3.20626131
H	 3.83945965  4.15462042  4.30855833
C	 2.88127575  2.73844698  3.021159  
H	 3.11355512  1.78343728  2.54034022
H	 2.02897323  2.55668283  3.6810897 
C	 2.48062886  3.75507058  1.96139255
H	 3.32151693  3.92221     1.28429751
H	 2.28081212  4.71161183  2.44911834
C	 1.2580485   3.31521984  1.16686812
H	 0.40341982  3.16585434  1.82732543
H	 0.97751842  4.05076578  0.41425209
H	 1.44623581  2.37054567  0.65673649
