6
c2h4_2etbu_pi.xyz	      0.0000000
  C        3.87198        0.37901       -7.13522
  H        4.72194       -0.31311       -7.18530
  H        4.07520        1.38308       -6.74283
  C        2.71757        0.09867       -7.76849
  H        2.60381       -0.82525       -8.33885
  H        1.94081        0.85640       -7.90514
