piotrek at vega.umcs.lublin.pl wrote: > pw.x <si.scf.in >si.scf.out > [...] no output in si.scf.out 1) if you compiled for parallel execution, try pw.x -inp si.scf.in 2) if you didn't, or if the above doesn't work, your f90 compiler is crappy P. -- Paolo Giannozzi, Democritos and University of Udine, Italy