On Fri, 2011-04-08 at 19:41 +0530, sonu kumar wrote: > No, it also has only diagonal elements, which are (along with > H and Na) (prb 73, 155114, ͑2006, section VII, part-C) and so, what is the problem? does the phonon code yield a different result? P. -- Paolo Giannozzi, IOM-Democritos and University of Udine, Italy