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Oslo, February, 1997. Crystal Structure Design AS is proud to announce
that CrystalDesigner 6.0b2 for Macintosh is now available for downloading
from <http://www.crystaldesigner.no> or from
<ftp://ftp.crystaldesigner.no/>. 

CrystalDesigner is a tool for building, studying and visualising all kinds
of crystal structure on the Macintosh platform. CrystalDesigner is an
ideal tool for both teaching and scientific studies. The software is
intended to be used by students and teachers at colleges and universities,
as well as in industrial research.

You can enter crystal structure data inside the program or import them
from CIF files. Entering data inside a crystallography program has never
been easier.  All 230 space groups from the "International Tables for
Crystallography" and more than 700 different atomic, covalent and ionic
radii are built into the program.

The crystal structure can be viewed in four different ways; as unit cells
or multiples of it; as a plane with a user defined thickness; by
coordination around a selected atom within a user defined ratio; or as a
molecule defined by the atom positions. All are done in separate graph
windows.

The atoms in the drawing may alternatively be viewed as points, circles or
spheres. Bonds between atoms can be created and viewed as lines, cones or
cylinders. Groups of atoms can alternatively be viewed as polyhedra. 

The program requires System 7 or higher, 2.5 MB available memory, 4 MB
free hard disk space, and a Macintosh with a 68020 CPU or higher.
Accelerated for Power Macintosh.

In order to take advantage of the possibility to export crystal structure
data and graphics, it is necessary to have a commercial software license. 
Please note that you can import CIF files and save your own entered
imported data with the free version.


What's new in CrystalDesigner 6.0
-----------------------------------

CrystalDesigner 6.0 has now full support for coordination polyhedra.  In
addition, it is now also possible to insert a single polyhedron around a
single user selected atom. You may also draw atoms, bonds and polyhedra
simultaneously.

New main features:

- Space group support for all the different cell choices in 
  the monoclinic crystal system
-  Space group support for both first and second choice of origin 
   in the orthorhombic, tetragonal and cubic crystal systems.

-  Full support for coordination polyhedra up to 18
-  Possibility to insert a polyhedron around a user selected atom
-  Possibility to display atoms, bonds and polyhedra simultaneously
-  Bonds can be coloured by using the atoms colour or a defined colour
-  Bonds between atoms and corner of polyhedra may be drawn either 
   as lines or cones 

-  A new crystal structure note window has been added
-  Simpler user interface
-  A handful bug fixes


Best regards
Arve Holt


Crystal Structure Design AS
Forskningsveien 3, P. O. Box 24 Blindern, N-0313 Oslo, Norway
mailto:info@crystaldesigner.no  fax:+47 22 468014  phone:+47 22 462820
http://www.crystaldesigner.no  Enterprise number: NO-968 320 939