Re: [ccp4bb] Fwd: [ccp4bb] RE : [ccp4bb] Strange diffraction image

2012-10-12 Thread Chang Qing
single crystal. CsCl >> can go on improving the quality and finally I got crystals like this. >> Is it possible that I get some strange crystals such as CsMgCl3 or >> something else? >> Best regard >> Chang >> >> ------ Forwarded message -- &

Re: [ccp4bb] Fwd: [ccp4bb] RE : [ccp4bb] Strange diffraction image

2012-10-12 Thread Nicolas Foos
arded message -- From: Tim Gruene Date: 2012/10/12 Subject: Re: [ccp4bb] RE : [ccp4bb] Strange diffraction image To: Chang Qing 抄送: CCP4BB@jiscmail.ac.uk -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Dear Chang, What makes you think spots from salt crystals should not be as large? You

Re: [ccp4bb] RE : [ccp4bb] Strange diffraction image

2012-10-12 Thread Tim Gruene
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Dear Chang, What makes you think spots from salt crystals should not be as large? You have got an ordinary small molecule crystal (or probably a cluster of them) in the beam, with a unit cell somewhat bigger than that of ice judging by the extra real

Re: [ccp4bb] RE : [ccp4bb] Strange diffraction image

2012-10-12 Thread Chang Qing
Hi, Thanks for answering my question. I think I'd better provide more informations. These four images were taken from one crystals. The distance of image1-2 is 250mm, and image3-4 is 100mm. I checked more than 10 crystals and results were similar. The spots look very large. The lowest resolution is