<div><br>Dear all. </div>
<div> <br> now I bulid a structure of body centered cubic structure with space group cI16 or I43d, the pritimivite cell has eight atoms and the lattice parameters have the following characters</div>
<div> a =b=c, alpha=beta=gamma, </div>
<div>so if I use the primitive cell to do calculations, what Ibrave I use...............</div>
<div>any help will be appreciated</div>
<div> </div><br><br clear="all"><br>-- <br>ZhouDawei<br>JiLin Universiyt ,ChangChun ,China<br><a href="mailto:zdw2000@gmail.com">zdw2000@gmail.com</a><br>