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Wyckoff positions



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A Wyckoff position is a point belonging to a set of points for which site symmetry groups are conjugate subgroups of the space group.[1]. Crystallography tables give the Wyckoff positions for different space groups.

Wyckoff positions are used in calculations of crystal properties. There are two types of positions: general and special.

General Positions

General positions are left invariant only for the identity operation. Each space group has only one general position.

Special positions

Special positions are left invariant by the identity operation and at least one other operation of the space group.

References

  1. ^ Lev. Kantorovich (2004). Quantum Theory of the Solid State: An Introduction. Springer, 28. 
 
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Wyckoff_positions". A list of authors is available in Wikipedia.
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