common /derivat/ dcdv(6,maxdim),dxdv(6,maxdim),dxds(6,maxres),
& gradx(3,maxres,2),gradc(3,maxres,2),gvdwx(3,maxres),
& gvdwc(3,maxres),gelc(3,maxres),gvdwpp(3,maxres),
common /derivat/ dcdv(6,maxdim),dxdv(6,maxdim),dxds(6,maxres),
& gradx(3,maxres,2),gradc(3,maxres,2),gvdwx(3,maxres),
& gvdwc(3,maxres),gelc(3,maxres),gvdwpp(3,maxres),