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Result of symbol lookup:
Space group number: 78
Schoenflies symbol: C4^4
Hermann-Mauguin symbol: P 43
Hall symbol: P 4cw
Input space group symbol: P 43
Convention: Default
Number of lattice translations: 1
Space group is acentric.
Space group is chiral.
Space group is enantiomorphic.
Number of representative symmetry operations: 4
Total number of symmetry operations: 4
Parallelepiped containing an asymmetric unit:
0<=x<=1/2; 0<=y<=1/2; 0<=z<1
List of symmetry operations:
Matrix
| Rotation-part type
| Axis direction
| Screw/glide component
| Origin shift
|
x,y,z
| 1 | - | - | -
|
-y,x,z+3/4
| 4^1 | [0,0,1] | 0,0,3/4 | 0,0,0
|
-x,-y,z+1/2
| 2 | [0,0,1] | 0,0,1/2 | 0,0,0
|
y,-x,z+1/4
| 4^-1 | [0,0,1] | 0,0,1/4 | 0,0,0
|
List of Wyckoff positions:
Wyckoff letter
| Multiplicity
| Site symmetry point group type
| Representative special position operator
|
a | 4 | 1 | x,y,z
|
Harker planes:
Algebraic
| Normal vector
| A point in the plane
|
x-y,-x-y,3/4 | [0,0,1] | 0,0,3/4
|
2*x,2*y,1/2 | [0,0,1] | 0,0,1/2
|
Additional generators of Euclidean normalizer:
Number of structure-seminvariant vectors and moduli: 2
Vector Modulus
(0, 0, 1) 0
(1, 1, 0) 2
Further generators:
Matrix
| Rotation-part type
| Axis direction
| Screw/glide component
| Origin shift
|
y,x,-z
| 2 | [1,1,0] | 0,0,0 | 0,0,0
|
Grid factors implied by symmetries:
Space group: (1, 1, 4)
Structure-seminvariant vectors and moduli: (2, 2, 1)
Euclidean normalizer: (2, 2, 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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