Crystal Lattice Structures:	Creation Date:  6 Oct 2002
	Last Modified: 21 Oct 2004

The HgBr₂ (C24) Structure

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• 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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• Prototype: HgBr₂
• Pearson Symbol: oC12
• Strukturbericht Designation: C24
• Space Group: Cmc2₁ (Cartesian and lattice coordinate listings available)
• Number: 36
• Reference: Strukturbericht, Vol II, p. 18.
• Primitive Vectors:

  A1	=	½ a X - ½ b Y
  A2	=	½ a X + ½ b Y
  A3	=	c Z

• Basis Vectors:

  B1	=	- y1 A1 + y1 A2 + z1 A3	=	+ y1 b Y + z1 c Z	(Hg)	(4b)
  B2	=	+ y1 A1 - y1 A2 + (½ + z1) A3	=	- y1 b Y + (½ + z1) c Z	(Hg)	(4b)
  B3	=	- y2 A1 + y2 A2 + z2 A3	=	+ y2 b Y + z2 c Z	(Br-I)	(4b)
  B4	=	+ y2 A1 - y2 A2 + (½ + z2) A3	=	- y2 b Y + (½ + z2) c Z	(Br-I)	(4b)
  B5	=	- y3 A1 + y3 A2 + z3 A3	=	+ y3 b Y + z3 c Z	(Br-II)	(4b)
  B5	=	+ y3 A1 - y3 A2 + (½ + z3) A3	=	- y3 b Y + (½ + z3) c Z	(Br-II)	(4b)

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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).