pragya chohan wrote: > Hi > i found out the residues which form H bond but am still not able to get > life time if H bond. The option -lifetime gives t as x and p(t) as y > axis. is this value for all the bonds. > How can i see the lifetime of each bond? There's an option for this. You can learn about it the same way I did - read "g_hbond -h" Mark