Crystal Lattice Structures: | Reference Date: 1 Jan 1996 |
Last Modified: 21 Oct 2004 |
The various figures showing the atomic positions were generated from files using the XYZ format. These files have a rather simple structure: The number of atoms is on the first line, a title is on the second line, and subsequent lines are of the form:
Atomic Symbol X position Y position Z positionwhere "Atomic Symbol" is the one or two letter abbreviation for the element and "[XYZ] position" are the Cartesian coordinates of the atom in Angstroms.
The pictures of the atomic structure were produced by XMol (version 1.3.1, Minnesota Supercomputer Center, Inc., Minneapolis MN, 1993).
We use the XYZ format for our position files. To get the
same colors that we have, you'll need our xyz.types
file,
which is normally stored in the xmol support directory. If, for
example, this is ~/xmol/inputdat
, put the line
xmol*supportDir: ~/xmol/inputdat
in your .Xdefaults
file.
Note: The bond and atom sizes, and the orientation of the "Active" window, won't look exactly like our pictures. Use the Xmol buttons to adjust the view to your satisfaction.
XYZ format files can be used by other viewers, in particular RasMol, a freeware molecule viewer. RasMol runs on PCs and Macs as well as X11/Unix platforms, and can produce shaded molecules. Either Xmol and RasMol can be configured as a viewer to run with your favorite web browser.
Go back to Crystal Lattice Structure page.
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This is a mirror of an old page created at the Naval Research Laboratory Center for Computational Materials Science The maintained successor is hosted at http://www.aflowlib.org/CrystalDatabase/ and published as M. Mehl et al., Comput. Mater. Sci. 136 (Supp.), S1-S828 (2017). |