<table cellspacing='0' cellpadding='0' border='0' ><tr><td valign='top' style='font: inherit;'><P>Dear users</P>
<P>I wanna relaxation calculations with some angle and dihedral fixed and performed "constrains" in INPUT_PW but it didnt work and not fixed.please guide me.</P>
<P>thanks</P></td></tr></table><br>