These R-values are reasonable:
http://xray.bmc.uu.se/gerard/supmat/rfree2000/plotter.html
On Mon, 2012-01-23 at 21:48 +0000, Sam Arnosti wrote:
> Hi every one
>
> I have some crystals in the space group P3121. I collect 180 frames of data.
>
> My crystals do not diffract better than at most 2.0 angstrom, but the Rf
> barely goes below 23%,
>
> and Rfree also remains somewhere between 28-33%. I have tried to refine my
> data as much as I can.
>
> I do not know whether the problem is because of the bad diffraction or
> collecting extra frames.
>
> The structure factors are also high but they get better as the crystals
> diffract better.
>
> Thanks
>
> Sam
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After much deep and profound brain things inside my head,
I have decided to thank you for bringing peace to our home.
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