Crystal Lattice Structures:	Creation Date: 13 Jan 2003
	Last Modified: 21 Oct 2004

The GeS₂ (C44) Structure

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• see the structure from several perspectives;
• examine the structure with an external viewer; or
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• visualize the structure (Uses the JMOL Applet)

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• Prototype: GeS₂
• Pearson Symbol: oF72
• Strukturbericht Designation: C44
• Space Group: Fdd2 (Cartesian and lattice coordinate listings available)
• Number: 43
• Reference: Wyckoff, Vol. I, pp. 324-6.
• Primitive Vectors:

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

• Basis Vectors:

  B1	=	+ z1 A1 + z1 A2 - z1 A3	=	+ z1 c Z	(Ge-I)	(8a)
  B2	=	(¼ + z1) A1 + (¼ + z1) A2 + (¼ - z1) A3	=	+ ¼ a X + ¼ b Y + (¼ + z1) c Z	(Ge-I)	(8a)
  B3	=	- (x2 - y2 - z2) A1 + (x2 - y2 + z2) A2 + (x2 + y2 - z2) A3	=	+ x2 a X + y2 b Y + z2 c Z	(Ge-II)	(16b)
  B4	=	+ (x2 - y2 + z2) A1 - (x2 - y2 - z2) A2 - (x2 + y2 + z2) A3	=	- x2 a X - y2 b Y + z2 c Z	(Ge-II)	(16b)
  B5	=	+ (¼ + x2 + y2 + z2) A1 + (¼ - x2 - y2 + z2) A2 + (¼ - x2 + y2 - z2) A3	=	+ (¼ - x2) a X + (¼ + y2) b Y + (¼ + z2) c Z	(Ge-II)	(16b)
  B6	=	+ (¼ - x2 - y2 + z2) A1 + (¼ + x2 + y2 + z2) A2 + (¼ + x2 - y2 - z2) A3	=	+ (¼ + x2) a X + (¼ - y2) b Y + (¼ + z2) c Z	(Ge-II)	(16b)
  B7	=	- (x3 - y3 - z3) A1 + (x3 - y3 + z3) A2 + (x3 + y3 - z3) A3	=	+ x3 a X + y3 b Y + z3 c Z	(S-I)	(16b)
  B8	=	+ (x3 - y3 + z3) A1 - (x3 - y3 - z3) A2 - (x3 + y3 + z3) A3	=	- x3 a X - y3 b Y + z3 c Z	(S-I)	(16b)
  B9	=	+ (¼ + x3 + y3 + z3) A1 + (¼ - x3 - y3 + z3) A2 + (¼ - x3 + y3 - z3) A3	=	+ (¼ - x3) a X + (¼ + y3) b Y + (¼ + z3) c Z	(S-I)	(16b)
  B10	=	+ (¼ - x3 - y3 + z3) A1 + (¼ + x3 + y3 + z3) A2 + (¼ + x3 - y3 - z3) A3	=	+ (¼ + x3) a X + (¼ - y3) b Y + (¼ + z3) c Z	(S-I)	(16b)
  B11	=	- (x4 - y4 - z4) A1 + (x4 - y4 + z4) A2 + (x4 + y4 - z4) A3	=	+ x4 a X + y4 b Y + z4 c Z	(S-II)	(16b)
  B12	=	+ (x4 - y4 + z4) A1 - (x4 - y4 - z4) A2 - (x4 + y4 + z4) A3	=	- x4 a X - y4 b Y + z4 c Z	(S-II)	(16b)
  B13	=	+ (¼ + x4 + y4 + z4) A1 + (¼ - x4 - y4 + z4) A2 + (¼ - x4 + y4 - z4) A3	=	+ (¼ - x4) a X + (¼ + y4) b Y + (¼ + z4) c Z	(S-II)	(16b)
  B14	=	+ (¼ - x4 - y4 + z4) A1 + (¼ + x4 + y4 + z4) A2 + (¼ + x4 - y4 - z4) A3	=	+ (¼ + x4) a X + (¼ - y4) b Y + (¼ + z4) c Z	(S-II)	(16b)
  B15	=	- (x5 - y5 - z5) A1 + (x5 - y5 + z5) A2 + (x5 + y5 - z5) A3	=	+ x5 a X + y5 b Y + z5 c Z	(S-III)	(16b)
  B16	=	+ (x5 - y5 + z5) A1 - (x5 - y5 - z5) A2 - (x5 + y5 + z5) A3	=	- x5 a X - y5 b Y + z5 c Z	(S-III)	(16b)
  B17	=	+ (¼ + x5 + y5 + z5) A1 + (¼ - x5 - y5 + z5) A2 + (¼ - x5 + y5 - z5) A3	=	+ (¼ - x5) a X + (¼ + y5) b Y + (¼ + z5) c Z	(S-III)	(16b)
  B18	=	+ (¼ - x5 - y5 + z5) A1 + (¼ + x5 + y5 + z5) A2 + (¼ + x5 - y5 - z5) A3	=	+ (¼ + x5) a X + (¼ - y5) b Y + (¼ + z5) c Z	(S-III)	(16b)

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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).