You don't say what you mean by "too high", but if you are in a space group
with multiple possible indexing conventions (eg different choices for the
direction of b in a polar spacegroup) you can get very high Rmerge values.
In the scalepack section of the old HKL manual (
http://hkl-xray.com/hkl-manual) there is a Reindexing scenario that
explains how to approach this problem; the HKL matrices can be used as
macros in HKL2000.

Best wishes,
kmj

On Mon, Apr 10, 2017 at 7:46 PM, 高艺娜 <gaoy...@cau.edu.cn> wrote:

> Dear all,
> For my crystal, I have to merge 3-4 sets of diffraction data using HKL2000
> program to meet requirements for data completeness, but the problem is the
> Rmerge value was too high to go on every time.
> Did anyone have met the same problem and how to solve it? or some tips for
> solve this problem?
>
> All comments will be appreciated!
>
> Best Regards,
>
>


-- 
Kevin Jude, PhD
Research Specialist, Garcia Lab
Departments of Molecular & Cellular Physiology and Structural Biology
Stanford University School of Medicine
Beckman B177, 279 Campus Drive, Stanford CA 94305
Phone: (650) 723-6431

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