[Wien] orientation sensitive telnes2

[Vincent Mauchamp]

Dear wien users,
I'm trying to run orientation sensitive calculations using Telnes2 on a 
monoclinic sample with a beta angle equal to 99 degrees.
As far as I know, the euler angles that are specified in case.innes give 
the orientation of the beam with respect to the sample, with the z axis 
of the beam basis parallel to the c direction of the crystal basis. 
However, I don't know how are directed the x and y vectors of the beam 
basis in the plane perpendicular to the c direction of the crystal 
(containing the b direction of the crystal lattice).
Can anybody tell me ?

Thanks

vincent
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Dr Vincent MAUCHAMP
INSA Lyon
MATEIS
Bât B. Pascal
7, avenue Jean Capelle
69621 Villeurbanne cédex
France

Phone : +33 (0) 4 72 43 61 31
Mail : vincent.mauchamp at insa-lyon.fr