Figure 1

Optimization of an ethylamine molecule turned in different directions towards the surface of Fe (110): linear positioning of CH₃CH₂- towards Fe(110) (a), vertical positioning of CH₃CH₂-towards Fe(110) (b), linear positioning of CH₃CH₂NH₂ molecule towards Fe(110) (c) and vertical positioning of ethylamine molecule with -NH₂ end adsorbed to Fe(110) (d).