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Result of symbol lookup:
Space group number: 230
Schoenflies symbol: Oh^10
Hermann-Mauguin symbol: I a -3 d
Hall symbol: -I 4bd 2c 3
Input space group symbol: I a -3 d
Convention: Default
Number of lattice translations: 2
Space group is centric.
Number of representative symmetry operations: 24
Total number of symmetry operations: 96
Parallelepiped containing an asymmetric unit:
0<=x<=1/8; -1/8<=y<=0; 1/8<z<7/8
List of symmetry operations:
Matrix
| Rotation-part type
| Axis direction
| Screw/glide component
| Origin shift
|
x,y,z
| 1 | - | - | -
|
-y+1/4,x+3/4,z+1/4
| 4^1 | [0,0,1] | 0,0,1/4 | -1/4,1/2,0
|
-x+1/2,-y,z+1/2
| 2 | [0,0,1] | 0,0,1/2 | 1/4,0,0
|
y+1/4,-x+1/4,z+3/4
| 4^-1 | [0,0,1] | 0,0,3/4 | 1/4,0,0
|
x,-y,-z+1/2
| 2 | [1,0,0] | 0,0,0 | 0,0,1/4
|
y+1/4,x+3/4,-z+3/4
| 2 | [1,1,0] | 1/2,1/2,0 | -1/4,0,3/8
|
-x+1/2,y,-z
| 2 | [0,1,0] | 0,0,0 | 1/4,0,0
|
-y+1/4,-x+1/4,-z+1/4
| 2 | [-1,1,0] | 0,0,0 | 1/4,0,1/8
|
z,x,y
| 3^1 | [1,1,1] | 0,0,0 | 0,0,0
|
-x+1/4,z+3/4,y+1/4
| 2 | [0,1,1] | 0,1/2,1/2 | 1/8,1/4,0
|
-z+1/2,-x,y+1/2
| 3^-1 | [-1,1,1] | 0,0,0 | 1/2,-1/2,0
|
x+1/4,-z+1/4,y+3/4
| 4^1 | [1,0,0] | 1/4,0,0 | 0,-1/4,1/2
|
z,-x,-y+1/2
| 3^-1 | [1,-1,1] | 1/6,-1/6,1/6 | -1/6,1/3,0
|
x+1/4,z+3/4,-y+3/4
| 4^-1 | [1,0,0] | 1/4,0,0 | 0,3/4,0
|
-z+1/2,x,-y
| 3^1 | [-1,-1,1] | 1/6,1/6,-1/6 | 1/3,1/6,0
|
-x+1/4,-z+1/4,-y+1/4
| 2 | [0,-1,1] | 0,0,0 | 1/8,1/4,0
|
y,z,x
| 3^-1 | [1,1,1] | 0,0,0 | 0,0,0
|
y+1/2,-z+1/2,-x
| 3^-1 | [-1,-1,1] | 1/3,1/3,-1/3 | 1/3,1/6,0
|
z+3/4,y+1/4,-x+1/4
| 4^1 | [0,1,0] | 0,1/4,0 | 1/2,0,-1/4
|
-y,z+1/2,-x+1/2
| 3^1 | [-1,1,1] | -1/3,1/3,1/3 | 1/6,1/6,0
|
-z+1/4,-y+1/4,-x+1/4
| 2 | [-1,0,1] | 0,0,0 | 1/4,1/8,0
|
-y+1/2,-z,x+1/2
| 3^1 | [1,-1,1] | 1/3,-1/3,1/3 | -1/6,1/3,0
|
z+3/4,-y+3/4,x+1/4
| 2 | [1,0,1] | 1/2,0,1/2 | 1/4,3/8,0
|
-z+3/4,y+1/4,x+3/4
| 4^-1 | [0,1,0] | 0,1/4,0 | 0,0,3/4
|
-x,-y,-z
| -1 | - | - | 0,0,0
|
y-1/4,-x-3/4,-z-1/4
| -4^1 | [0,0,1] | 0,0,0 | -1/2,-1/4,-1/8
|
x-1/2,y,-z-1/2
| -2 | [0,0,1] | -1/2,0,0 | 0,0,-1/4
|
-y-1/4,x-1/4,-z-3/4
| -4^-1 | [0,0,1] | 0,0,0 | 0,-1/4,-3/8
|
-x,y,z-1/2
| -2 | [1,0,0] | 0,0,-1/2 | 0,0,0
|
-y-1/4,-x-3/4,z-3/4
| -2 | [1,1,0] | 1/4,-1/4,-3/4 | -1/2,0,0
|
x-1/2,-y,z
| -2 | [0,1,0] | -1/2,0,0 | 0,0,0
|
y-1/4,x-1/4,z-1/4
| -2 | [-1,1,0] | -1/4,-1/4,-1/4 | 0,0,0
|
-z,-x,-y
| -3^1 | [1,1,1] | 0,0,0 | 0,0,0
|
x-1/4,-z-3/4,-y-1/4
| -2 | [0,1,1] | -1/4,-1/4,1/4 | 0,-1/2,0
|
z-1/2,x,-y-1/2
| -3^-1 | [-1,1,1] | 0,0,0 | -1/2,-1/2,0
|
-x-1/4,z-1/4,-y-3/4
| -4^1 | [1,0,0] | 0,0,0 | -1/8,-1/2,-1/4
|
-z,x,y-1/2
| -3^-1 | [1,-1,1] | 0,0,0 | 1/4,1/4,-1/4
|
-x-1/4,-z-3/4,y-3/4
| -4^-1 | [1,0,0] | 0,0,0 | -1/8,0,-3/4
|
z-1/2,-x,y
| -3^1 | [-1,-1,1] | 0,0,0 | -1/4,1/4,1/4
|
x-1/4,z-1/4,y-1/4
| -2 | [0,-1,1] | -1/4,-1/4,-1/4 | 0,0,0
|
-y,-z,-x
| -3^-1 | [1,1,1] | 0,0,0 | 0,0,0
|
-y-1/2,z-1/2,x
| -3^-1 | [-1,-1,1] | 0,0,0 | 0,-1/2,0
|
-z-3/4,-y-1/4,x-1/4
| -4^1 | [0,1,0] | 0,0,0 | -1/4,-1/8,-1/2
|
y,-z-1/2,x-1/2
| -3^1 | [-1,1,1] | 0,0,0 | 0,0,-1/2
|
z-1/4,y-1/4,x-1/4
| -2 | [-1,0,1] | -1/4,-1/4,-1/4 | 0,0,0
|
y-1/2,z,-x-1/2
| -3^1 | [1,-1,1] | 0,0,0 | -1/2,0,0
|
-z-3/4,y-3/4,-x-1/4
| -2 | [1,0,1] | -1/4,-3/4,1/4 | -1/2,0,0
|
z-3/4,-y-1/4,-x-3/4
| -4^-1 | [0,1,0] | 0,0,0 | -3/4,-1/8,0
|
x+1/2,y+1/2,z+1/2
| 1 | - | - | -
|
-y+3/4,x+5/4,z+3/4
| 4^1 | [0,0,1] | 0,0,3/4 | -1/4,1,0
|
-x+1,-y+1/2,z+1
| 2 | [0,0,1] | 0,0,1 | 1/2,1/4,0
|
y+3/4,-x+3/4,z+5/4
| 4^-1 | [0,0,1] | 0,0,5/4 | 3/4,0,0
|
x+1/2,-y+1/2,-z+1
| 2 | [1,0,0] | 1/2,0,0 | 0,1/4,1/2
|
y+3/4,x+5/4,-z+5/4
| 2 | [1,1,0] | 1,1,0 | -1/4,0,5/8
|
-x+1,y+1/2,-z+1/2
| 2 | [0,1,0] | 0,1/2,0 | 1/2,0,1/4
|
-y+3/4,-x+3/4,-z+3/4
| 2 | [-1,1,0] | 0,0,0 | 3/4,0,3/8
|
z+1/2,x+1/2,y+1/2
| 3^1 | [1,1,1] | 1/2,1/2,1/2 | 0,0,0
|
-x+3/4,z+5/4,y+3/4
| 2 | [0,1,1] | 0,1,1 | 3/8,1/4,0
|
-z+1,-x+1/2,y+1
| 3^-1 | [-1,1,1] | -1/6,1/6,1/6 | 7/6,-5/6,0
|
x+3/4,-z+3/4,y+5/4
| 4^1 | [1,0,0] | 3/4,0,0 | 0,-1/4,1
|
z+1/2,-x+1/2,-y+1
| 3^-1 | [1,-1,1] | 1/3,-1/3,1/3 | 1/6,2/3,0
|
x+3/4,z+5/4,-y+5/4
| 4^-1 | [1,0,0] | 3/4,0,0 | 0,5/4,0
|
-z+1,x+1/2,-y+1/2
| 3^1 | [-1,-1,1] | 1/3,1/3,-1/3 | 2/3,5/6,0
|
-x+3/4,-z+3/4,-y+3/4
| 2 | [0,-1,1] | 0,0,0 | 3/8,3/4,0
|
y+1/2,z+1/2,x+1/2
| 3^-1 | [1,1,1] | 1/2,1/2,1/2 | 0,0,0
|
y+1,-z+1,-x+1/2
| 3^-1 | [-1,-1,1] | 1/2,1/2,-1/2 | 1,1/2,0
|
z+5/4,y+3/4,-x+3/4
| 4^1 | [0,1,0] | 0,3/4,0 | 1,0,-1/4
|
-y+1/2,z+1,-x+1
| 3^1 | [-1,1,1] | -1/2,1/2,1/2 | 1/2,1/2,0
|
-z+3/4,-y+3/4,-x+3/4
| 2 | [-1,0,1] | 0,0,0 | 3/4,3/8,0
|
-y+1,-z+1/2,x+1
| 3^1 | [1,-1,1] | 1/2,-1/2,1/2 | -1/2,1,0
|
z+5/4,-y+5/4,x+3/4
| 2 | [1,0,1] | 1,0,1 | 1/4,5/8,0
|
-z+5/4,y+3/4,x+5/4
| 4^-1 | [0,1,0] | 0,3/4,0 | 0,0,5/4
|
-x+1/2,-y+1/2,-z+1/2
| -1 | - | - | 1/4,1/4,1/4
|
y+1/4,-x-1/4,-z+1/4
| -4^1 | [0,0,1] | 0,0,0 | 0,-1/4,1/8
|
x,y+1/2,-z
| -2 | [0,0,1] | 0,1/2,0 | 0,0,0
|
-y+1/4,x+1/4,-z-1/4
| -4^-1 | [0,0,1] | 0,0,0 | 0,1/4,-1/8
|
-x+1/2,y+1/2,z
| -2 | [1,0,0] | 0,1/2,0 | 1/4,0,0
|
-y+1/4,-x-1/4,z-1/4
| -2 | [1,1,0] | 1/4,-1/4,-1/4 | 0,0,0
|
x,-y+1/2,z+1/2
| -2 | [0,1,0] | 0,0,1/2 | 0,1/4,0
|
y+1/4,x+1/4,z+1/4
| -2 | [-1,1,0] | 1/4,1/4,1/4 | 0,0,0
|
-z+1/2,-x+1/2,-y+1/2
| -3^1 | [1,1,1] | 0,0,0 | 1/4,1/4,1/4
|
x+1/4,-z-1/4,-y+1/4
| -2 | [0,1,1] | 1/4,-1/4,1/4 | 0,0,0
|
z,x+1/2,-y
| -3^-1 | [-1,1,1] | 0,0,0 | -1/4,1/4,-1/4
|
-x+1/4,z+1/4,-y-1/4
| -4^1 | [1,0,0] | 0,0,0 | 1/8,0,-1/4
|
-z+1/2,x+1/2,y
| -3^-1 | [1,-1,1] | 0,0,0 | 0,1/2,1/2
|
-x+1/4,-z-1/4,y-1/4
| -4^-1 | [1,0,0] | 0,0,0 | 1/8,0,-1/4
|
z,-x+1/2,y+1/2
| -3^1 | [-1,-1,1] | 0,0,0 | 1/2,0,1/2
|
x+1/4,z+1/4,y+1/4
| -2 | [0,-1,1] | 1/4,1/4,1/4 | 0,0,0
|
-y+1/2,-z+1/2,-x+1/2
| -3^-1 | [1,1,1] | 0,0,0 | 1/4,1/4,1/4
|
-y,z,x+1/2
| -3^-1 | [-1,-1,1] | 0,0,0 | -1/4,1/4,1/4
|
-z-1/4,-y+1/4,x+1/4
| -4^1 | [0,1,0] | 0,0,0 | -1/4,1/8,0
|
y+1/2,-z,x
| -3^1 | [-1,1,1] | 0,0,0 | 1/4,-1/4,1/4
|
z+1/4,y+1/4,x+1/4
| -2 | [-1,0,1] | 1/4,1/4,1/4 | 0,0,0
|
y,z+1/2,-x
| -3^1 | [1,-1,1] | 0,0,0 | 1/4,1/4,-1/4
|
-z-1/4,y-1/4,-x+1/4
| -2 | [1,0,1] | -1/4,-1/4,1/4 | 0,0,0
|
z-1/4,-y+1/4,-x-1/4
| -4^-1 | [0,1,0] | 0,0,0 | -1/4,1/8,0
|
List of Wyckoff positions:
Wyckoff letter
| Multiplicity
| Site symmetry point group type
| Representative special position operator
|
h | 96 | 1 | x,y,z
|
g | 48 | 2 | 1/8,y,-y+1/4
|
f | 48 | 2 | x,0,1/4
|
e | 32 | 3 | x,x,x
|
d | 24 | -4 | 3/8,0,1/4
|
c | 24 | 222 | 1/8,0,1/4
|
b | 16 | 32 | 1/8,1/8,1/8
|
a | 16 | -3 | 0,0,0
|
Harker planes:
Algebraic
| Normal vector
| A point in the plane
|
x-y+1/4,-x-y+3/4,1/4 | [0,0,1] | 1/4,3/4,1/4
|
2*x+1/2,2*y,1/2 | [0,0,1] | 1/2,0,1/2
|
0,2*y,2*z+1/2 | [1,0,0] | 0,0,1/2
|
x+y+1/4,-x-y+3/4,2*z+3/4 | [1,1,0] | 1/4,3/4,3/4
|
2*x+1/2,0,2*z | [0,1,0] | 1/2,0,0
|
x+y+1/4,x+y+1/4,2*z+1/4 | [-1,1,0] | 1/4,1/4,1/4
|
x+z,-x-y,y-z | [1,1,1] | 0,0,0
|
2*x+1/4,y+z+3/4,-y-z+1/4 | [0,1,1] | 1/4,3/4,1/4
|
1/4,y-z+1/4,-y-z+3/4 | [1,0,0] | 1/4,1/4,3/4
|
x+z+1/2,-x-y,-y+z | [-1,-1,1] | 1/2,0,0
|
2*x+1/4,y+z+1/4,y+z+1/4 | [0,-1,1] | 1/4,1/4,1/4
|
x-z+3/4,1/4,x+z+1/4 | [0,1,0] | 3/4,1/4,1/4
|
x+y,y-z+1/2,x+z+1/2 | [-1,1,1] | 0,1/2,1/2
|
x+z+1/4,2*y+1/4,x+z+1/4 | [-1,0,1] | 1/4,1/4,1/4
|
x+y+1/2,y-z,-x-z+1/2 | [1,-1,1] | 1/2,0,1/2
|
x+z+3/4,2*y+3/4,-x-z+1/4 | [1,0,1] | 3/4,3/4,1/4
|
Additional generators of Euclidean normalizer:
Number of structure-seminvariant vectors and moduli: 0
Grid factors implied by symmetries:
Space group: (4, 4, 4)
Structure-seminvariant vectors and moduli: (1, 1, 1)
Euclidean normalizer: (4, 4, 4)
All points of a grid over the unit cell are mapped
exactly onto other grid points only if the factors
shown above are factors of the grid.
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