s-net: sqc1302
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 7 |
| Edges per primitive translational unit | 14 |
| Transitivity (vertex,edge) | (4,4) |
| Vertex degrees | {3,8,4,4} |
| Vertex coordination sequence | [(3, 11, 21, 58, 78, 142, 192, 256, 332, 404), (8, 14, 48, 54, 124, 142, 216, 262, 344, 426), (4, 6, 20, 46, 80, 126, 196, 254, 324, 402), (4, 24, 28, 80, 84, 178, 196, 272, 332, 426)] |
| Wells’ vertex symbol | [4.5.7, 4^6.5^8.6^2.7^8.8^4, 4^2.9^4, 4^4.6^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 2, 1, 0, 0, 1, 2, 1, 1, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 3, 6, 0, -1, 0, 3, 7, 0, 0, 0, 4, 5, -1, 0, 0, 4, 7, 0, 0, 1, 5, 7, 0, 0, 1, 6, 7, 0, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P-4m2
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.78829 | 1.78829 | 3.09771 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.25 | 0.25 |
| 0 | 0 | 0 |
| 0 | 0 | 0.5 |
| 0.5 | 0.5 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P-4m2
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.44397 | 1.44397 | 3.87689 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.16623 | 0.25 |
| 0 | 0 | 0 |
| 0 | 0 | 0.5 |
| 0.5 | 0.5 | 0 |
Edge end points:
