PPT Slide

Single Crystal Indexing / Twinning

• Twinning: http://www.ccp14.ac.uk/solution/twinning/
  • DIRAX for difficult Indexing problems:
    • ftp://xraysoft.chem.uu.nl/pub/msdos/DIRAX/
  • Twindex: ftp://laue.chem.ncsu.edu/pub/X-ray/twindex/
  • The Merohedral Crystal Twinning Server:
    • http://www.doe-mbi.ucla.edu/Services/Twinning/
  • TWIN3.0 for Windows (test for merohedry):
    • Contact V. Kahlenberg ([email protected])

Spacegroup Assignment:
• ABSEN Single Crystal Program by Patrick McArdle (comes with the ORTEX and WinGX suites)
  • http://www.nuigalway.ie/cryst/software.htm
  • http://www.chem.gla.ac.uk/~louis/software/wingx/
• Platon spacegroup assignment options
  • http://www.cryst.chem.uu.nl/platon/

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