[SIESTA-L] [***Posible SPAM***]

[Soumaia Djaadi]

Hi all, I want  calculate the optics properties of the clusters atomic but the 
results illogical for example the refrax-index in area 0.98-1.001. Do we have 
to change DFT to TDDFT and How to use TDDFT in siesta 3 cod?