Am 17. Juli 2015 00:00:11 MESZ, schrieb "Keller, Jacob" <[log in to unmask]>:
>>Jacob's case is twinning in P3(2)12 making the data appear as P6(2)22,
>so it is indeed a rotation by 180°.
>
>Yes, this all fits together nicely. If I understand correctly, this
>would make my crystals a blend of mero- and pseudo-mero-hedral, so
>involving I's and F's, no?
No, it's just merohedral - the true and the apparent spacegroup belong to the same pointgroup.
Even if it were pseudo-merohedral it would be a superposition of reflections, with addition of their intensities.
HTH,
Kay
>
>
>
>JPK
--
Diese Nachricht wurde von meinem Android-Mobiltelefon mit K-9 Mail gesendet.
|