[Pw_forum] Orthorhombic structure of Gallium

[Michael Mehl]

It's base-centered orthorhombic, so that would be #9

http://cst-www.nrl.navy.mil/lattice/struk/a11.html

Generally "A", "B", or "C" in the space group's International Symbol 
denotes a base-centered system, be it monoclinic or orthorhombic.

On 02/14/2012 04:04 PM, Payam Norouzzadeh wrote:
> Hello Q.E users
>
> Gallium has an orthorhombic crystal structure but I don't know what 
> number for ibrav is related to it.
> There are several numbers for orthorhombic structures. Could someone 
> give me a clue to resolve the problem?
>
> Best regards,Payam Norouzzadeh
>
>
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-- 

Mike Mehl
Naval Research Laboratory
Washington DC USA