Hello

I want to build a layer containing a graphene layer and a polyethylene layer. First of all i have made an amorphous cell of polyethylene chains, then made graphene surface.

But when I use layer builder, in the final crystal structure some hydrogen atoms of polyethylene chains separate from chains and put on the graphene sheet alone.

Why something happen like this and would you any one say me how I can solve it please.

Best regard