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Last news and updates
About Java 3D. (07.06.2018)

You need Java 3D to view graphical representations for structures and Wyckoff's positions.

Visit this page for help.
CSE is back. (May 2018)

More than ten years after its creation, CSE website is live again !
Reflexion conditions & Point group operations. (February 2006)

We extended space groups details with a new pane showing all reflexion conditions (general extinctions) for the group.

For 3+1D groups, we changed the way of displaying Point group operation in generators or positions list. The 3D part is now shown on the first line. The second line gives the sign of u.
Structures and space groups search are now operational. (15.06.2005)

You can choose to browse space groups, search for a particular space goup or search for a specific structure.

Please also use the menu on the left.
3 +1D superspace groups added to the database. (20.05.2005)

We still need to check whether everything is correct. At least, when showing generators/positions in space groups details the rotations symbol/glide seems to be badly calculated.
Welcome to the new Crystal Symmetry Environment web site ! (15.03.2005)

This site is under developpment.

But you can still use the old web site : http://lcr1pc22.epfl.ch:8888/csecm
(Only available inside the EPFL)