Crystal Lattice Structures:	Creation Date: 21 Aug 2002
	Last Modified: 18 Jul 2008

The C₂ Ce Ni 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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• Note that, without loss of generality, we can set z₁ = 0. We have done this when constructing the pictures above.
• 18 July 2008: Corrected the Prototype name.

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• Prototype: C₂CeNi
• Pearson Symbol: oC8
• Space Group: Amm2 (Cartesian and lattice coordinate listings available)
• Number: 38
• Other compounds with this Structure: C₂CoDy, C₂ErFe, C₂FeSm, C₂NiPa, C₂NiYb, C₂PrRh, many other C₂XY
• Primitive Vectors:

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

• Basis Vectors

  B1	=	- z1 A2 + z1 A3	=	+ z1 c Z	(Ce)	(2a)
  B2	=	½ A1 - z2 A2 + z2 A3	=	½ a X + z2 c Z	(Ni)	(2b)
  B3	=	½ A1 + (y3 - z3) A2 + (y3 + z3) A3	=	½ a X + y3 b Y + z3 c Z	(C)	(4e)
  B4	=	½ A1 - (y3 + z3) A2 - (y3 - z3) A3	=	½ a X - y3 b Y + z3 c Z	(C)	(4e)

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Structures indexed by: Strukturbericht Symbol Pearson Symbol Space Group Prototype

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