[Wien] diff. between triclinic and hexagonal

[koitzsch]

Hi Everybody,


I have difficulties to define a hexagonal unit cell with a number of atoms.

nn and sgroup reduce my symmetry to P1 and triclinic, even though my unit cell is of the type a,a,c and gamma=120? These lattice settings are not changed by sgroup and nn. So I end up with a "triclinic" unit cell, with hexagonal lattice parameters? Is this a Wien convention issue?


Thanks and Best Regards

Christian Koitzsch

University of Neuchatel
Dep. of Physics
CH-2000 Neuchatel
Switzerland

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