Crystal Lattice Structures:	Creation Date: 26 Jan 1996
	Last Modified: 21 Oct 2004

The βPo (A_i) Structure

You can now

• see the structure from several perspectives;
• examine the structure with an external viewer; or
• download the coordinates of the atoms in these pictures in XYZ format.
• visualize the structure (Uses the JMOL Applet)

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• This lattice has only rhombohedral symmetry. When the parameter "x" below is set to 1/3 the atoms are on the sites of a face centered cubic lattice, when x = 0 the atoms are on the sites of a simple cubic lattice, and when x = -1/6 the atoms are on the sites of a body centered cubic lattice. By convention, lattices with 0 < x < 1/3 belong to Strukturbericht A10, while lattices with -1/6 < x < 0 belong to A_i.
• The primitive vectors here are oriented to agree with the simple cubic lattice when x = 0.

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• Prototype: βPo
• Pearson Symbol: hR1
• Strukturbericht Designation: A_i
• Space Group: R3m (Cartesian and lattice coordinate listings available)
• Number: 166
• Reference: Pearson (Alloys), p. 559.
• Other elements with this Structure: None, but see alpha Hg (A10)
• Primitive Vectors:

  A1	=	a (1 + x) X + a x Y + a x Z
  A2	=	a x X + a (1 + x) Y + a x Z
  A3	=	a x X + a x Y + a (1 + x) Z

• Basis Vectors:

  B1 = 0

  (Po)

  (1a)

See these vectors in LaTeX output format.

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Go back to the simple cubic and related structures page.

Go back to Crystal Lattice Structure page.

Structures indexed by: Strukturbericht Symbol Pearson Symbol Space Group Prototype

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).