-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Dear Weifei,
choosing a longer wavelength for data collection should also lead to better spot separation. You may collect different data sets at various wavelengths to get the optimum. Best, Tim On 04/27/2015 03:28 PM, herman.schreu...@sanofi.com wrote: > Dear Weifei, > > As other have mentioned, to increase the spot separation, you have > to increase the crystal to detector distance. If the axis visible > in this image is the long axis, this image should be perfectly > processable, at least with XDS, did you try to process it with > XDS? What was the problem with processing, did autoindexing fail, > were too many reflections rejected due to overlaps? In the latter > case, you could force a smaller diffraction range and integration > box and use only the centers of the reflections for integration. It > is a bit of a dirty trick, but may make the difference between > useless data and data which are useful. > > Best, Herman > > > > Von: CCP4 bulletin board [mailto:CCP4BB@JISCMAIL.AC.UK] Im Auftrag > von weifei Gesendet: Sonntag, 26. April 2015 16:02 An: > CCP4BB@JISCMAIL.AC.UK Betreff: [ccp4bb] The predicted unit cell is > large and all the molecules will be around the longest axis. > > Dear all, I have get a new crytsal but there is some difficulties > in data collection. The predicted unit cell is large and all the > molecules will be around the longest axis. The diffraction data was > difficult to collect because the dots are too close to separate. I > have try to do fine slicing but the result seems not better. Is > anyone can give me some advice? > > Thank you so much! > > Sincerely, Weifei Chen [cid:image001.png@01D080FC.A479BD20] > - -- - -- Dr Tim Gruene Institut fuer anorganische Chemie Tammannstr. 4 D-37077 Goettingen phone: +49 (0)551 39 22149 GPG Key ID = A46BEE1A -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iD8DBQFVPjz/UxlJ7aRr7hoRAlwYAJ47s9ToXjvZqz1/NZofD9PMJ3VluACgjZXC gjlSz3YVd/xALY71dfzOKEs= =/67A -----END PGP SIGNATURE-----
