What is your cold stream - phi axis relative and absolute orientation? FF Dr Felix Frolow Professor of Structural Biology and Biotechnology Department of Molecular Microbiology and Biotechnology Tel Aviv University 69978, Israel
Acta Crystallographica F, co-editor e-mail: [email protected] Tel: ++972-3640-8723 Fax: ++972-3640-9407 Cellular: 0547 459 608 On Jun 22, 2011, at 19:22 , bie gao wrote: > Dear Colleagues, > > I'm collecting a dataset on our recently repaired Rigaku home source. > Crystal diffracts to 2.2A. Indexing seems to be all fine. However, during > integration, I realize Y-Chi2 is increasing constantly (from 2 to 4.5, almost > linear) within 60 degree collection, whereas X-Chi2 stays the same. An image > is attached. There are still another 60 degree to go. Although the prediction > fits the images well so far, I'm afraid the Y-Chi2 will eventually run out of > the chart. > My question is could it be related to any hardware malfunctioning, i.e., > goniometer, image plates, etc, which may be a side effect of the recent major > repair? Or what else it can be? > > Thanks, > Bing > <Chi1.gif>
