Hi Rajan, On Thu, Oct 30, 2014 at 10:07 AM, Rajan Kumar <kumarrajan...@gmail.com> wrote:
> Hi, > > I want to build graphene sheet in Avogadro. > I am able to build a hexagonal cell of the graphene structure. But when I > create a super cell, a message pops out "The document is currently a > isolated molecule. you need to create a unit cell" > Use Crystallography >> Add Unit Cell and adjust the cell parameters to match your desired periodicity. After that, you should be able to produce a supercell. Hope this helps, Dave
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