The C_h (Cu₂Te) Structure

Last modified 5 April 2001

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• Prototype: Cu₂Te
• Pearson Symbol: hP6
• Strukturbericht Designation: C_h
• Space Group: P6/mmm (Cartesian and lattice coordinate listings available)
• Number: 191
• Primitive Vectors:
  • A₁ = ½ a X - ½ 3^½ a Y
  • A₂ = ½ a X + ½ 3^½ a Y
  • A₃ = c Z
• Basis Vectors:

  B1	=	1/3 A1 + 2/3 A2	=	½ a X + ½ 3-½ a Y	(Te)	(2c)
  B2	=	2/3 A1 + 1/3 A2	=	½ a X - ½ 3-½ a Y	(Te)	(2c)
  B3	=	1/3 A1 + 2/3 A2 + z A3	=	½ a X + ½ 3-½ a Y + z c Z	(Cu)	(4h)
  B4	=	2/3 A1 + 1/3 A2 + z A3	=	½ a X - ½ 3-½ a Y + z c Z	(Cu)	(4h)
  B5	=	1/3 A1 + 2/3 A2 - z A3	=	½ a X + ½ 3-½ a Y - z c Z	(Cu)	(4h)
  B6	=	2/3 A1 + 1/3 A2 - z A3	=	½ a X - ½ 3-½ a Y - z c Z	(Cu)	(4h)

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