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*    Symmetry.dll library instructions    * 
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What is Symmetry.dll?
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XtalDraw uses the dynamic link library, called symmetry.dll, to obtain the space group transformations. 

Why do I need it?
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Symmetry.dll contains the transformation information for all space groups that are listed in the American Mineralogist Crystal Structure Database. Without it, one cannot generate the crystal structure from the datafile.

What do I have to do?
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Copy symmetry.dll into the directory where 'XtalDraw', and 'Xpow' executables are stored.

And?
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And... that's it. You can now enjoy XtalDraw.


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*             other problems?             * 
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If you use WindowsXP and are having video problems, your display settings may need to be adjusted.  Bob Downs' site provides instructions on how to make this change. Read them at: http://www.geo.arizona.edu/xtal//group/XtalDrawXP.htm