Re: [ccp4bb] checkCIF alert

2023-06-12 Thread Harry Powell
Hi One small issue with Aaron’s answer - the alert specifically says “Not (SHELXL) Weight”, so I suspect that you may not be using SHELXL for your refinement, in which case the “OMIT” instructions may not be available or may take a slightly different form. There’s an open-access IUCr paper wri

Re: [ccp4bb] checkCIF alert

2023-06-12 Thread Aaron Finke
Hi Soheil, This usually means there are outliers in the reflection list that are affecting the weight parameter S that SHELXL uses. Use the OMIT instruction in your SHELXL .ins file to remove those ten disagreeable reflections, e.g. OMIT -1 -1 1 OMIT 1 0 1 etc. In addition, this tends to inclu

Re: [ccp4bb] checkCIF alert

2023-06-12 Thread Aaron Finke
Hi Soheil, This usually means there are outliers in the reflection list that are affecting the weight parameter S that SHELXL uses. Use the OMIT instruction in your SHELXL .ins file to remove those ten disagreeable reflections, e.g. OMIT -1 -1 1 OMIT 1 0 1 etc. In addition, this tends to inclu

[ccp4bb] checkCIF alert

2023-06-12 Thread Soheil Mahmoudi
Hi Everyone, I am preparing a cif file from an inorganic compound measured with X-ray, I get an unexpected error during chechCIF evaluation as below, Alert level A,PLAT939_ALERT_3_A Large Value of Not (SHELXL) Weight Optimized S .    1029.36 Check I check the disagreeable reflection and the