From owner-chemistry@ccl.net Sat Jul 21 15:50:00 2007 From: "Jun Cui juc9+]*[pitt.edu" To: CCL Subject: CCL: AMBER PBC box alignment Message-Id: <-34776-070721154923-14844-eL5yND+Ze7YbeLvRdimXhA-#-server.ccl.net> X-Original-From: "Jun Cui" Date: Sat, 21 Jul 2007 15:49:19 -0400 Sent to CCL by: "Jun Cui" [juc9+**pitt.edu] Hi, there, Does amber 9 need the periodic box to be parallel to the xy, yz, and xz planes? If yes, is there any good tool to rotate an existing system to be parallel to the axis planes? I tried to code and do not have a good way to find the new axises for the system. Thanks. Jun