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[sdpd] hi,help with my result of fullprof



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      <p>hello, dear all,<br>
I'm very interesting in Rietveld, and I just begin studying how to refine the mineral structure. The following is an example of my result by Fullprof:<br>
<br>
**********************************************************<br>
        ** PROGRAM FullProf.2k (Version 4.80 - Jan2010-ILL JRC) **<br>
        **********************************************************<br>
                       M U L T I -- P A T T E R N                <br>
            Rietveld, Profile Matching &amp; Integrated Intensity<br>
                 Refinement of X-ray and/or Neutron Data<br>
<br>
Date: 01/07/2011  Time: 16:44:57.568                              <br>
<br>
=&gt; PCR file code: 201601<br>
 =&gt; DAT file code: 201601.dat           -&gt; Relative contribution: 1.0000                                                            <br>
 =&gt; Title: microcline<br>
<br>
==&gt; CONDITIONS OF THIS RUN FOR PATTERN No.:  1<br>
<br>
=&gt; Global Refinement of X-ray powder diffraction data                          <br>
 =&gt; Global Refinement of X-ray powder diffraction data                          <br>
    Bragg-Brentano or Debye-Scherrer geometry<br>
 =&gt; The    5th default profile function was selected<br>
<br>
=&gt; Data supplied in free format for pattern:  1<br>
 =&gt; Wavelengths:  1.54056 1.54439<br>
 =&gt; Cos(Monochromator angle)=   0.7998<br>
 =&gt; Absorption correction (AC), muR-eff =   0.0000<br>
 =&gt; Base of peaks: 2.0*HW*    8.00<br>
 ==&gt; Angular range, step and number of points:<br>
     2Thmin:      10.000000  2Thmax:     140.000000  Step:       0.020000  No. of points:   6501<br>
 =&gt;-------&gt; Pattern#  1<br>
 =&gt; Crystal Structure Refinement for phase: 1<br>
 =&gt; Scor: 4.5649<br>
<br>
==&gt; RESULTS OF REFINEMENT:<br>
<br>
=&gt; No. of fitted parameters:   58<br>
<br>
----------------------------------------------------------<br>
 =&gt; Phase No.  1 microcline                              C -1                <br>
----------------------------------------------------------<br>
<br>
=&gt;  No. of reflections for pattern#:   1:  2878/2<br>
<br>
==&gt; ATOM PARAMETERS:<br>
<br>
Name      x     sx       y     sy       z      sz      B   sB  occ.  socc.  Mult<br>
<br>
K1      0.28427(  95)  0.99455(  72)  0.15363(  59)  0.000(  0)  1.000(  0)    4<br>
 Al1     0.01826( 160)  0.17637( 101)  0.21612(  97)  0.000(  0)  0.969(  0)    4<br>
 Si1     0.01826( 160)  0.17637( 101)  0.21612(  97)  0.000(  0)  0.031(  0)    4<br>
 Si2     0.01244( 150)  0.82269( 106)  0.23145( 112)  0.000(  0)  1.000(  0)    4<br>
 Al2     0.70334( 151)  0.13176( 119)  0.33702( 101)  0.000(  0)  0.015(  0)    4<br>
 Si3     0.70334( 151)  0.13176( 119)  0.33702( 101)  0.000(  0)  0.985(  0)    4<br>
 Al3     0.71597( 150)  0.88008( 101)  0.35742(  99)  0.000(  0)  0.015(  0)    4<br>
 Si4     0.71597( 150)  0.88008( 101)  0.35742(  99)  0.000(  0)  0.985(  0)    4<br>
 O1      0.02117( 233)  0.15863( 191)  0.96723( 200)  0.000(  0)  1.000(  0)    4<br>
 O2      0.65159( 263) -0.00519( 194)  0.27025( 176)  0.000(  0)  1.000(  0)    4<br>
 O3      0.82031( 265)  0.13478( 169)  0.22088( 210)  0.000(  0)  1.000(  0)    4<br>
 O4      0.82974( 267)  0.85981( 172)  0.23951( 216)  0.000(  0)  1.000(  0)    4<br>
 O5      0.02823( 274)  0.30177( 202)  0.24878( 199)  0.000(  0)  1.000(  0)    4<br>
 O6      0.03655( 277)  0.70515( 202)  0.26574( 204)  0.000(  0)  1.000(  0)    4<br>
 O7      0.16954( 246)  0.13307( 164)  0.38606( 199)  0.000(  0)  1.000(  0)    4<br>
 O8      0.19288( 253)  0.87504( 183)  0.39937( 217)  0.000(  0)  1.000(  0)    4<br>
<br>
=&gt;   Anisotropic Betas*1E04<br>
<br>
Name        B11     B22     B33     B12     B13     B23  <br>
            sB11    sB22    sB33    sB12    sB13    sB23  <br>
<br>
K1         39.6    27.8    99.7     5.1    19.7    -4.5<br>
             0.0     0.0     0.0     0.0     0.0     0.0<br>
 Al1        27.0     9.9    23.9     1.6    16.6     0.2<br>
             0.0     0.0     0.0     0.0     0.0     0.0<br>
 Si1        27.0     9.9    23.9     1.6    16.6     0.2<br>
             0.0     0.0     0.0     0.0     0.0     0.0<br>
 Si2        25.0    10.9    22.5     5.7    14.2     0.7<br>
             0.0     0.0     0.0     0.0     0.0     0.0<br>
 Al2        22.6     8.0    27.1     1.4    16.6    -0.9<br>
             0.0     0.0     0.0     0.0     0.0     0.0<br>
 Si3        22.6     8.0    27.1     1.4    16.6    -0.9<br>
             0.0     0.0     0.0     0.0     0.0     0.0<br>
 Al3        23.3     8.4    29.0     4.6     9.5    -0.7<br>
             0.0     0.0     0.0     0.0     0.0     0.0<br>
 Si4        23.3     8.4    29.0     4.6     9.5    -0.7<br>
             0.0     0.0     0.0     0.0     0.0     0.0<br>
 O1         53.9    18.5    20.6     7.9    15.8    -0.7<br>
             0.0     0.0     0.0     0.0     0.0     0.0<br>
 O2         33.9     9.3    49.6     2.2     3.6    -0.9<br>
             0.0     0.0     0.0     0.0     0.0     0.0<br>
 O3         41.9    25.5    66.9    -4.6    36.3    -6.1<br>
             0.0     0.0     0.0     0.0     0.0     0.0<br>
 O4         41.9    24.5    75.8    13.3    38.7    -0.2<br>
             0.0     0.0     0.0     0.0     0.0     0.0<br>
 O5         25.6    13.5    65.0     0.4     5.5    -7.0<br>
             0.0     0.0     0.0     0.0     0.0     0.0<br>
 O6         29.9    12.6    72.5     8.1    19.3     4.5<br>
             0.0     0.0     0.0     0.0     0.0     0.0<br>
 O7         47.6    19.6    32.3     5.3     4.7    -4.7<br>
             0.0     0.0     0.0     0.0     0.0     0.0<br>
 O8         50.9    15.6    34.6    -4.0     1.2    -0.7<br>
             0.0     0.0     0.0     0.0     0.0     0.0<br>
<br>
==&gt; PROFILE PARAMETERS FOR PATTERN#  1<br>
<br>
=&gt; Cell parameters      :<br>
                              8.58790   0.00084<br>
                             12.95816   0.00134<br>
                              7.21272   0.00059<br>
                             90.51478   0.00623<br>
                            115.98489   0.00417<br>
                             87.98952   0.00695<br>
 <br>
 =&gt; overall scale factor :      0.000397279     0.000003102<br>
 =&gt; Eta(p-v) or m(p-vii) :   -0.03468   0.00000<br>
 =&gt; Overall tem. factor  :    0.00000   0.00000<br>
 =&gt; Halfwidth parameters :    0.46970   0.04115<br>
                             -0.22334   0.02472<br>
                              0.05150   0.00383<br>
 =&gt; Preferred orientation:    0.60409   0.00246<br>
                              0.00000   0.00000<br>
 =&gt; Asymmetry parameters :   -0.04971   0.01490<br>
                              0.01334   0.00250<br>
                              0.00000   0.00000<br>
                              0.00000   0.00000<br>
 =&gt; X and y parameters   :    0.01714   0.00039<br>
                              0.00000   0.00000<br>
 =&gt; Strain parameters    :    0.00000   0.00000<br>
                              0.00000   0.00000<br>
                              0.00000   0.00000<br>
 =&gt; Size parameters (G,L):    0.00000   0.00000<br>
                              0.00000   0.00000<br>
<br>
==&gt; GLOBAL PARAMETERS FOR PATTERN#  1<br>
<br>
=&gt; Zero-point:    -0.0534    0.0043<br>
 =&gt; Background Polynomial Parameters ==&gt;<br>
                              44.7809    0.864698    <br>
                             -37.7605    0.990520    <br>
                              16.5730     1.57755    <br>
                             -1.09980    0.529979    <br>
                              0.00000     0.00000    <br>
                              0.00000     0.00000    <br>
 <br>
 =&gt; Cos( theta)-shift parameter :   0.0000  0.0000<br>
 =&gt; Sin(2theta)-shift parameter :   0.0000  0.0000<br>
<br>
==&gt; RELIABILITY FACTORS WITH ALL NON-EXCLUDED POINTS FOR PATTERN:  1<br>
<br>
=&gt; Cycle:  1 =&gt; MaxCycle:150<br>
 =&gt; N-P&#43;C:  6442<br>
 =&gt;  R-factors (not corrected for background) for Pattern:  1<br>
 =&gt; Rp: 16.8     Rwp: 21.4     Rexp:    8.07 Chi2:  7.01      L.S. refinement<br>
 =&gt; Conventional Rietveld R-factors for Pattern:  1<br>
 =&gt; Rp: 22.0     Rwp: 26.6     Rexp:   10.04 Chi2:  7.01    <br>
 =&gt; Deviance: 0.510E&#43;05     Dev*  :  7.902    <br>
 =&gt; DW-Stat.:    0.3163     DW-exp:     1.9410<br>
 =&gt; N-sigma of the GoF:  341.108<br>
<br>
==&gt; RELIABILITY FACTORS FOR POINTS WITH BRAGG CONTRIBUTIONS FOR PATTERN:  1<br>
<br>
=&gt; N-P&#43;C:  6294<br>
 =&gt;  R-factors (not corrected for background) for Pattern:  1<br>
 =&gt; Rp: 16.6     Rwp: 21.2     Rexp:    8.03 Chi2:  6.95      L.S. refinement<br>
 =&gt; Conventional Rietveld R-factors for Pattern:  1<br>
 =&gt; Rp: 21.5     Rwp: 26.2     Rexp:    9.94 Chi2:  6.95    <br>
 =&gt; Deviance: 0.494E&#43;05     Dev*  :  7.829    <br>
 =&gt; DW-Stat.:    0.3264     DW-exp:     1.9406<br>
 =&gt; N-sigma of the GoF:      333.985<br>
<br>
=&gt; Global user-weigthed Chi2 (Bragg contrib.):  7.18    <br>
<br>
-----------------------------------------------------<br>
     BRAGG R-Factors and weight fractions for Pattern #  1<br>
     -----------------------------------------------------<br>
<br>
=&gt; Phase:  1<br>
 =&gt; Bragg R-factor:  13.5       Vol:  721.053( 0.118)  Fract(%):  100.00( 1.10)<br>
 =&gt; Rf-factor= 6.57             ATZ:        1113.335   Brindley:  1.0000<br>
<br>
CPU Time:    14.675 seconds<br>
                            0.245 minutes<br>
<br>
=&gt; Run finished at:     Date: 01/07/2011  Time: 16:45:12.265                              <br>
<br>
How can I improve the quality of the Refinement next? thanks all.<br>
<br>
</p>

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    font-family: Verdana;
  }

  #ygrp-msg p#attach-count span {
    color: #1E66AE;
    font-weight: 700;
  }

  #ygrp-reco #reco-head {
    color: #ff7900;
    font-weight: 700;
  }

  #ygrp-reco {
    margin-bottom: 20px;
    padding: 0px;
  }

  #ygrp-sponsor #ov li a {
    font-size: 130%;
    text-decoration: none;
  }

  #ygrp-sponsor #ov li {
    font-size: 77%;
    list-style-type: square;
    padding: 6px 0;
  } 

  #ygrp-sponsor #ov ul {
    margin: 0;
    padding: 0 0 0 8px;
  }

  #ygrp-text {
    font-family: Georgia;
  }

  #ygrp-text p {
    margin: 0 0 1em 0;
  }

  #ygrp-text tt {
    font-size: 120%;
  }

  #ygrp-vital ul li:last-child {
    border-right: none !important; 
  } 
  -->
  </style>
</head>

<!--~-|**|PrettyHtmlEnd|**|-~-->
</html>
<!-- end group email -->


</x-html>