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Dear Jacob,

in the mtz-file, you would list F, its hkl, and DANO. This should avoid the 
ambiguity you point at.

Best,
Tim

On Monday, May 09, 2016 06:28:02 PM Keller, Jacob wrote:
> Dear Crystallographers,
> 
> I am curious about the sign convention of Dano as follows:
> 
> The definition of Dano of hkl is F(hkl) - F(-h-k-l), so for example
> 
> Dano(2,3,5) = F(2,3,5) - F(-2,-3,-5)
> 
> What about mixed-sign indices, for example
> 
> Dano(2,3,-5) = F(2,3,-5) - F(-2,-3,5)
> 
> OR
> 
> Dano(2,3,-5) = F(-2,-3,5) - F(2,3,-5)
> 
> What is the convention? I think this might possibly have ramifications for
> detwinning.
> 
> JPK
> 
> 
> *******************************************
> Jacob Pearson Keller, PhD
> Looger Lab/HHMI Janelia Research Campus
> 19700 Helix Dr, Ashburn, VA 20147
> email: [log in to unmask]
> *******************************************
- -- 
- --
Paul Scherrer Institut
Tim Gruene
- - persoenlich -
OFLC/102
CH-5232 Villigen PSI
phone: +41 (0)56 310 5297

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