&INOUT print_xyz_only unformatted PLOT CENTER 10.0 OPEN traj1 PLOT FRAGMENT 10.0 OPEN traj_fragm 1 &END ... &PROPERTIES DEF_FRAGMENT 1 10 &ENDWrite the xyz coordinates of the full system on the unformatted file traj1 and write the xyz coordinates of the solute fragment containing atoms from index 1 to index 10 (solute atom indexing is that given in the topology file) to the unformatted file traj_fragm.