passivation

[Maneesh]

Dear Sir,

How to passivate the free ends of carbon nanotube with hydrogen atom. If i passivate it by the icon given  it attach two hydrogen atoms instead of one to the carbon atom.
regards

maneesh

[zh]

Once two hydrogen atoms are attached to a carbon atom, you can choose  one of  hydrogen atoms and delete it by yourself .

[Nordland]

Then you should properly do a quick optimization.