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 > > > _______________________________________________ > Pw_forum mailing list > Pw_forum at pwscf.org > http://www.democritos.it/mailman/listinfo/pw_forum -- Mike Mehl Naval Research Laboratory Washington DC USA
