file rprm name=(spcfw.top) read
file rcvb name=(spcfw.rst) read
file wprm name=(spcfw_pimd.top) wovr
file wcrd name=(spcfw_pimd.xyz) wovr

action
~ use original mass
omas
pimd
~ make 4 copies of atom 1-648 ( the whole system )
space numc=4 pick #prt 1 648 done

*EOD