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Like for polyhedra, Diamond does not define a separate model for the
representation of anisotropic displacement parameters as thermal ellipsoids
but uses the default ("ball-and-stick") model. Thus you can display
spherical and ellipsoidal atoms side-by-side in one and the same picture, and
even mixed with coordination polyhedra. You may switch ellipsoid or spherical
representation on or off for selected atom types or individual atoms. Switching
off ellipsoid representation is mostly used for H atoms that have no anisotropic
displacement parameters.
The following collage of three Diamond pictures shows the 1.5-fold
volume of the unit cell with completed Sn2Te6 molecule
ions. The left third of the picture uses rendering mode with the atoms appearing
as massive ellipsoids. The medium part uses standard (non-rendering) mode that
has been optimized for example to be printed out on a color ink or laser printer,
whereas the right third does only use black lines on white background for b/w
photo-reproduction in a journal.
Reference:
In1072.cif, taken from Acta Cryst. C55 (1999), 282 - 284
Name: Hexacesium-hexatellurodistannate(III)
Author(s): Friede, Bernd; Jansen, Martin
Title: Cs6Sn2Te6 - a new tellurodistannate(III)
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