PARAM/electr_cryst.parm

   1     1.7356  1.6267  1.6267  0.3623        ! EPP
   2     4.1322  4.1185  4.1185  4.6337        ! RPP
   3    -0.1510 -0.1563 -0.1563 -0.4555        ! ELPP6
   4    -0.0053  0.0126  0.0126  0.0690        ! ELPP3
   5