Re: octahedral period BCs

From: Mark Abraham (Mark.Abraham_at_anu.edu.au)
Date: Wed Jul 07 2004 - 22:43:57 CDT

On Thu, 2004-07-08 at 13:35, Mark Abraham wrote:

> Thus for
> a hexagon side length of h and,
> a prism height of p, and
> that has the hexagonal faces parallel to the xy-plane,

AND that has two rectangular faces parallel to the yz-plane

> vectors like
>
> (h , 0 , 0)
> (h/2, root(3)*h/2, 0)
> (0 , 0 , p)
>
> do the replication.

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