You should be fine. I also did the same n worked well. Sanjiv Sent from my iPad
On Jan 8, 2014, at 3:29 PM, "CHRISTIAN VIALES MONTERO" <[email protected]<mailto:[email protected]>> wrote: Dear SIESTA users, when using VIBRA 0.3's Vibrator with a unit cell of 14 atoms an error ocurrs (chkdim call on fcbuild subroutine) indicating maxa is too small. I went back to vibra.h and modified its value from 8 to 55 (for subsequent calculations). Now the utility runs ok, but are there any additional consequences of doing this that I'm not aware of?
