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Re: [sdpd] Jana Error: Le Bail decomposition wasn't successfuul

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      <p>Hi,<br>
<br>
Not being a Jana user, I can't say exactly.<br>
<br>
But as the author of the method, I used to solve structures from<br>
peak intensities extracted from calculations using a manually<br>
estimated background. Background refinement can come later<br>
during the Rietveld structure refinement.<br>
<br>
At least, make a few cycles and attain some low Rp and Rwp<br>
values before to try to refine the background, if you wish<br>
absolutely to do so.<br>
<br>
Verify also your starting cell parameters (since they influence<br>
directly your peak positions) and space group, and wavelength, and etc.<br>
<br>
Should work...<br>
<br>
Regards,<br>
<br>
Armel<br>
<br>
At 17:10 03/07/2012 &#43;0800, you wrote:<br>
&gt;<br>
&gt;<br>
&gt;Dear all:<br>
&gt;<br>
&gt;I got the error message &quot;Le Bail decomposition wasn't sucessful, check <br>
&gt;background and Bragg peak positions&quot; when I tried to refine background of <br>
&gt;my X-ray powder data.<br>
&gt;<br>
&gt;Please teach me what should I check.<br>
&gt;Background ? I am just trying to refine it.<br>
&gt;Bragg peak positions? I believe my structure information were correct.<br>
&gt;<br>
&gt;Thank you very much for your kind help!<br>
&gt;BR<br>
&gt;ike<br>
<br>
</p>

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