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[sdpd] Re: Crystal structure solution and neutron Time of flight data



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            <p>Hi,<br>
<br>
Looking at ToF data, one sees a few isolated peaks<br>
at large d(A) values and soon a massive peak overlapping<br>
for the smallest d(A). The difficulty to solve the<br>
structure comes from this huge overlapping (if any), not <br>
from the peak asymmetry in itself (though it may contribute <br>
to enlarge the overlapping)<wbr>.<br>
<br>
Armel<br>
<br>
--- In <a href="mailto:sdpd%40yahoogroups.com";>sdpd...@yahoogroups.<wbr>com</a>, Anna Llobet &lt;allobet...@...<wbr>&gt; wrote:<br>
&gt;<br>
&gt; Dear all<br>
&gt; <br>
&gt; I have tried few programs for crystal structure determination using <br>
&gt; examples from X-rays and neutron constant wavelength  but  I do not <br>
seem <br>
&gt; to be successful when trying the same approach using neutron time <br>
of <br>
&gt; flight data. I wonder if the fact that the diffraction peaks are <br>
&gt; asymmetric might contribute to the &quot;ill-definition&quot; of the peak <br>
position <br>
&gt; or if there is something else I should be considering that I have <br>
not <br>
&gt; considered.<br>
&gt; <br>
&gt; I would appreciate any insight in this matter.<br>
&gt; <br>
&gt; Best wishes<br>
&gt; <br>
&gt; Anna Llobet<br>
&gt;<br>
<br>
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