12 C4H8.mmp C -1.020000 0.594000 -0.166000 C 0.503000 0.884000 -0.077000 C -0.686000 -0.918000 -0.300000 C 0.729000 -0.615000 0.265000 H -1.530000 0.813000 0.779000 H -1.584000 1.065000 -0.977000 H 0.838000 1.629000 0.651000 H 0.923000 1.145000 -1.054000 H -1.311000 -1.629000 0.250000 H -0.645000 -1.234000 -1.348000 H 1.584000 -1.120000 -0.196000 H 0.774000 -0.775000 1.348000