s-net: sqc873
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|
| Systre crystallographic geometry file (.cgd) |
Other names
| RCSR name | xak |
Links to this net in other databases
| RCSR | topcryst |
Topological data
| Vertices per primitive translational unit | 3 |
| Edges per primitive translational unit | 12 |
| Transitivity (vertex,edge) | (2,2) |
| Vertex degrees | {8,8} |
| Vertex coordination sequence | [(8, 28, 68, 110, 188, 244, 364, 438, 596, 684), (8, 30, 64, 118, 172, 266, 336, 470, 556, 734)] |
| Wells’ vertex symbol | [3^8.4^8.5^8.6^4, 3^8.4^10.5^8.6^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 1, 2, 0, 1, 1, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 1, 3, 1, 0, 0, 1, 3, 1, 1, 0, 2, 3, 0, 0, -1, 2, 3, 0, 0, 0, 2, 3, 0, 1, 0, 2, 3, 1, 0, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: I4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.41421 | 1.41421 | 2.82843 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0.5 | 0.25 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: I4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.41421 | 1.41421 | 2.82843 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0.5 | 0.25 |
Edge end points:
