GSAS: Getting > 1600 bond restraints in a GSAS happy format Use a column able editor such as ConTEXT to change to desired bond lengths and ESDs

• E.g.,

  • Ca - O bond length = 2.3
  • ESD = 0.11
  • O-O bond length = 2.90
  • ESD = 0.31
  • (use histogram weighting on the bond restraints to tighten or loose their influence on the refinement)

[CNTRL L] in ConTEXT to go in and out of column editing mode

http://www.fixedsys.com/context/

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