Re: [sdpd] powder diffraction data not in crystal structure databases

[apu...@veccal.ernet.in]

It really looks exciting.Why don't you put this question in the Rietveld mailing list!!
There you might get better response.

Good luck.
Regards,
Apu

/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/
Apu Sarkar
Research Fellow
Variable Energy Cyclotron Centre
Kolkata 700 064
phone: 91-33-2337-1230 (extn. 3190)
Fax:   91-33-2334-6871 
INDIA
/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/


----- Original Message -----
From: Namsoo Shin <sns...@postech.ac.kr>
Date: Thursday, November 18, 2004 0:12 am
Subject: [sdpd] powder diffraction data not in crystal structure databases

> 
> Dear all,
> 
> I am working with Strontium Phosphates.
> Recently, I got a synchrotron data which couldn't be indexed with 
> any unit cells 
> in PDF-2 DB, ICSD and papers about Strontium Phosphates
> I tried indexing programs and got a somewhat big unit cell parameters
> - ( I4cm(No.108), a=9.7846, c=19.015)
> matching was perfect. differences less than 0.002 2theta degree. 
> and 
> by DICVOL M( 30) =  154.3 , F( 30) =  308.3
> by TREO M( 30)= 145,  F 30 = 277
> And the HKLs in output file of indexing program indicates the unit 
> cell can't be reduced.
> 
> I wonder whether I can conclude that this is a new structure?
> I would be very grateful if anyone could give me some information.
> 
> ============================================================
> - Namsoo Shin  sns...@postech.ac.kr
> ============================================================
> 
> [Non-text portions of this message have been removed]
> 
> 
> 
> ------------------------ Yahoo! Groups Sponsor --------------------
> ~--> 
> $9.95 domain names from Yahoo!. Register anything.
> http://us.click.yahoo.com/J8kdrA/y20IAA/yQLSAA/UIYolB/TM
> -------------------------------------------------------------------
> -~-> 
> 
> 
> Yahoo! Groups Links
> 
> 
> 
> 
> 
> 
> 
> 
> 




------------------------ Yahoo! Groups Sponsor --------------------~--> 
Make a clean sweep of pop-up ads. Yahoo! Companion Toolbar.
Now with Pop-Up Blocker. Get it for free!
http://us.click.yahoo.com/L5YrjA/eSIIAA/yQLSAA/UIYolB/TM
--------------------------------------------------------------------~-> 

 
Yahoo! Groups Links

<*> To visit your group on the web, go to:
    http://groups.yahoo.com/group/sdpd/

<*> To unsubscribe from this group, send an email to:
    sdpd-unsubscribe...@yahoogroups.com

<*> Your use of Yahoo! Groups is subject to:
    http://docs.yahoo.com/info/terms/