The B20 (FeSi)
Structure
Last modified 5 April
2001
You can now
Note that when x1 = 0 and x2 = 1/2, or
x1 = 1/4 and x2 = 3/4, this lattice reduces to
the Sodium Chloride structure.
- Prototype: FeSi
- Pearson Symbol: cP8
- Strukturbericht Designation: B20
- Space Group: P213 (Cartesian and lattice coordinate listings
available)
- Number: 198
- Other Compounds with this Structure: AlPt, AuBe, CoGe, CoSi,
FeGe, GaPd, GeMn, GeRh, HfSb, HfSn, RhS, SbZr, SiTc
- Primitive Vectors:
- A1 = a X
- A2 = a Y
- A3 = a Z
- Basis Vectors:
- B1 = x1A1 +
x1A2 +
x1A1 = x1 aX +
x1 aY + x1 aZ (Fe)
- B2 = (½ + x1)
A1 + (½ - x1) A2
- x1 A3 = (½ + x1)
aX + (½ - x1) aY - x1 aZ (Fe)
- B3 = - x1 A1 +
(½ + x1) A2 + (½ -
x1) A3 = - x1 aX +
(½ + x1) aY + (½ - x1)
aZ (Fe)
- B4 = (½ - x1)
A1 - x1 A2 + (½ +
x1) A3 = (½ - x1)
aX - x1 aY + (½ + x1)
aZ (Fe)
- B5 = x2A1 +
x2A2 +
x2A1 = x2 aX +
x2 aY + x2 aZ (Si)
- B6 = (½ + x2)
A1 + (½ - x2) A2
- x2 A3 = (½ + x2)
aX + (½ - x2) aY - x2 aZ (Si)
- B7 = - x2 A1 +
(½ + x2) A2 + (½ -
x2) A3 = - x2 aX +
(½ + x2) aY + (½ - x2)
aZ (Si)
- B8 = (½ - x2)
A1 - x2 A2 + (½ +
x2) A3 = (½ - x2)
aX - x2 aY + (½ + x2)
aZ (Si)
Go back to the Simple Cubic Crystal Structure
page.
Go back to Crystal Lattice Structure
page.
Structures indexed by:
