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+XMakemol is a program written for UN*X operating systems in ANSI C using the X,
+ Xt and Motif libraries. It can be used to view and manipulate atomic and
+molecular data given in xyz format.
+
+XMakemol is a mouse-based application and many features can be accessed by
+clicking or dragging the mouse on the main window. Additional popup dialogs
+offer a number of additional features.
+
+Here is what an XMakemol session might look like. The system is a bucky ball
+and the Measure dialog is showing the measurement of bond-lengths, angles and
+a torsion angle.
+
+XMakemol can produce output in PostScript (black and white or colour)and in xpm
+ format (which can be translated to gif format using xpmtoppm and ppmtogif).
+
+XMakemol can also produce a series of xpm files which can be translated into an
+ animated gif file using the bundled utility xmake_anim.pl (formerly
+gmake_anim.pl). The one above is an animation of the "viagra" molecule
+(sidenafil).
+
+WWW: http://vegemite.chem.nottingham.ac.uk/~xmakemol/
+
+Chi Zhang
+chizhang@uchicago.edu