Homepage located at http://www.unige.ch/crystal/stxnews/riet/welcome.htm
Welcome and Historical
Following is the Homepage for the Rietveld-users'
mailing list. This mailing list on the internet is free (no cost) and
is open to all. This list has been created especially for
people who are either involved or curious about the
Rietveld method for structure refinement and/or quantitative analysis.
Originally, Tim Buckner, then Ken Beaudrie, at the
University of Alabama Crystallography Information Server
kindly provided the facilities in the form of an old VAX
computer and setup this discussion area.
However, due to the VAX finally meeting its maker, the mailing list
has been moved to ILL, Grenoble in France thanks to Alan Hewatt
If it proves popular enough and articles start clogging up
participants email accounts, an attempt will be made to
convert it to a Usenet newsgroup and link the mailing
list to it. An attempt to do this was launched in 1995 but it failed
by 6 votes.
Participants of this mailing list might like to make a
printout of these pages for easy reference.
All articles will be archived for future reference and
FAQ (frequently asked question files) will be encouraged
for common topics.
- User problems and suggested fixes.
- New user pitfalls :-
- (e.g., why does my Rietveld software, while refining
a hexagonal structure, give beta not equal to 120 degrees?)
- Sample preparation techniques.
- Data collection techniques and optimization.
- Vendor/author announcements of Rietveld software
(commercial and public domain).
- Reviews/announcements of Rietveld books, articles and software.
- Comparison of rietveld software
- Installation of Rietveld software.
- Rietveld Goodness of Fit Plots and other Graphical Output.
- Discussion of new code, functions, algorithms, etc.
- Data formats.
- Software requirements
- Available Software
- Reported bugs/glitches/kludges/"features" of various software and
their possible work-arounds or solutions.
- Discussion/comparison of complementary techniques :-
e.g., direct methods, maximum entropy.
- Any other topics users consider relevant (suggestions welcome).
For people who have never used a mailing list before and don't
really know what it is all about, following is an attempted
very brief explanation.
Normally with email, you send a message to a single person and
have a one-on-one discussion.
With a mailing list (or email newsgroup), you email to a
special email address that is linked to software that
distributes your message to everyone who has put
themselves down as participants (subscribed) on the mailing list.
So (for the Rietveld mailing list) when you email a message to
Rietveld_l@ill.fr - a copy of your message is
forwarded to all other participants (through a "gateway")
However, if you want to be one of the participants,
you must have added yourself to the mailing list by
using the subscribe command.
Originally, creating this email newsgroup was informally discussed and
considered desirable during the recent SCA (Society of
Crystallographers in Australia, 1994) meeting at Medlow Baths in the
Blue Mountains. There are several Rietveld-users groups in
Australia where people regularly meet to discuss problems and
solutions. However, having an electronic Rietveld mailing
list complements these discussion groups in allowing a greater
geographical reach for queries and discussions in a cosy,
The crystallography newsgroup, sci.techniques.xtallography also is an appropriate forum
to send Rietveld related messages.
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