6 
# Ethylene (B3LYP) 
C   0.0000000  0.6623450  0.0000000
H   0.9208610  1.2315190  0.0000000
H  -0.9208600  1.2315200  0.0000000
C   0.0000000 -0.6623450  0.0000000
H  -0.9208610 -1.2315190  0.0000000
H   0.9208600 -1.2315200  0.0000000
