I did the following steps: > 1) opt the system > 2) use the opt files for force constants matrix (is OK). > 3) use fcbuild command and the following error was printed out: > > fcbuild < coroneneFC.fdf > redata: System Name = > redata: System Label = coroneneFC > Number of Atoms = 20 > > chkdim: ERROR: In fcbuild, dimension maxa = 8. It must be at least > 20 > > could anyone help me?
files are attached here