HI All, As a high-pressure researcher, I have published some dirty structures and even some filthy ones. The key is to stay away from crystallographic...
Kurt Leinenweber
KURTL@...
Jun 16, 2009 2:43 pm
2398
Are the COD Advisory Board members prepared to a legal action against them ? This reviewers comment received aftre the COD paper submission is a closing speech...
There is no sense of a big debate about this message, if COD is so poor, why such an agressive manner of telling it ! To scare us ? I got the use of never...
Daniel Chateigner
daniel.chateigner@...
Jun 18, 2009 7:53 am
2400
Dear Colleague, We have the pleasure ton inform you that we organize with the collaboration of Humboldt Kolleg '09 an international conference on "Advancements...
People are strange… Why on earth they continue drinking free fresh water while there are 100% reliable, certified, perfectly copyrighted, protected by an...
Dear Colleagues, I am advertising one postdoctoral position dealing with the characterization of the 'structural behavior of porous MOF as a function of...
Can You pl send me the URL or web address/name to get .cif file for the compound Bi4V1.8Cu0.2O11? Yahoo! recommends that you upgrade to the new and safer...
dear sir if the sufficient knowledge about the structure is known(eg. lattice parameters, space group, approximate atomic positions etc), then what must be the...
Hi, I would say that if you know the space group, cell parameter and approximate atomic position, your structure is already solved. I suppose that what you...
Hello, Unless you have single crystals, the best approach is to use powder diffraction data and to refine the model by using the Rietveld method (FULLPROF,...
hello can i make the conclusion of this discussion as "by knowing the exact lattice parameters and space group of sample, i should first expract the structure...
... This is not necessary for a "model-based structure refinement." Your description gives one of the various possibilities for attempting a SDPD, this is...
in the article "TRENDS IN STRUCTURE DETERMINATION BY POWDER DIFFRACTOMETRY" by Armel Le Bail, the two different statigies of SDPD are given. 1st one is 1....
... Thanks for the citation. ... there are now more possibilities including many direct space methods (locating molecules, etc) by simulated annealing, genetic...
respected Armel Le Bail and other group fellows we make use of direct and patterson methods for structure solution. and most of the structures, uptill...
Hi Muhammed As I understand probably you can try software like JANA2006 that is available for free. Jana deals with structure refinement with charge flipping...
dear all i have prepared the problem statement, which is in the attached file"FERRITE.doc". please see and analyse that whether i m going to adopt the right...
Presently I am working on Lithium Ferrite based compounds. I will be thankful to sdpd members if i get a cif file for this compound. I tried it in many online...
Dear All, if you have MEED software for MEM analysis of x-ray diffraction, kindly give me. I search the MEM software MEED in the CCP14 home web site, but...
Murugesan S
muruges@...
Sep 8, 2009 9:52 am
2418
Dear All, Could you give me an idea on what should be omega, phi and chi angles ideally for Transmission geometry (flat plate) in STOE STADIP diffractometer...
mrukiah@...
Sep 9, 2009 11:32 am
2419
Dear Murugesan Please try PRIMA and VESTA softwares available in the net. They are free and you have top register yourself for handling them. Israel ...
Dear fellow diffractionist, tired of searching for yet another temporary postdoc position? We offer you the possibility to continue your career in the quiet...
martijn.fransen@...
Sep 15, 2009 9:10 pm
2421
Hi, In order to test the capacity of the P2D2 (Predicted Powder Diffraction Database) to identify zeolites, Al/SiPO-n, etc, by search-match process, I need...
PCOD = Predicted Crystallography Open Database P2D2 = Predicted Powder Diffraction Database More than 1.000.000 entries in this 2009 update ~ 900.000 zeolites...
hi everybody please if you can help me about my request . i have a synthetic product identified as Analcime and match very good with PDF2 89-6324 (Na...
No, you can't exclude the possibility of Ca substitution even if the match is "very good". A careful Rietveld refinement might help in this case. Regards, ...
I would say yes, provided that there isn't another Ca-bearing phase admixed with your analcime ..... ________________________________ Da: ezzatto...
N.Perchiazzi
natale@...
Nov 5, 2009 8:16 am
2427
i expected lime or calcite , but XRD pattern of my reaction product didnt show a significant peaks of these materials. calcian Analcime match good with PDF2 of...
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