6 
# Ethylene MN15L 
C   0.0000000  0.6672200  0.0000000
H   0.9298540  1.2427060  0.0000000
H  -0.9298470  1.2427130  0.0000000
C   0.0000000 -0.6672200  0.0000000
H  -0.9298540 -1.2427060  0.0000000
H   0.9298470 -1.2427130  0.0000000
