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The visual comparison of XRPD with the single crystal simulated data is not enough to prove purity of the sample.  For a better comparison the analysis should be done in the range 5-35 with appropriate software that emulates the powder spectra and allows some quick Rietveld refinement from the single crystal data (see for example PowderCell 2.3 free of charge.)
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wsht212(½ð±Ò+1): 2010-04-14 22:06
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PowderCell 2.3:

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