s-net: sqc3492
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 8 |
| Edges per primitive translational unit | 20 |
| Transitivity (vertex,edge) | (2,6) |
| Vertex degrees | {3,7} |
| Vertex coordination sequence | [(3, 11, 40, 88, 153, 234, 337, 454, 591, 746), (7, 26, 65, 120, 193, 286, 395, 520, 665, 826)] |
| Wells’ vertex symbol | [3.6^2, 3^2.4^5.5^4.6^10] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 2, 3, 0, 0, 1, 2, 6, 0, -1, 1, 2, 6, 0, 0, 1, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 6, 1, -1, 1, 3, 6, 2, -1, 1, 3, 7, 0, 0, -1, 3, 8, 0, 0, -1, 4, 6, 0, 0, 0, 4, 8, -1, 0, -1, 5, 6, 0, 0, 0, 5, 7, -1, 1, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.44162 | 3.85963 | 1.92956 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.375 | 0.25 | 0.33333 |
| 0 | 0.625 | 0.16667 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.54126 | 3.5343 | 1.28498 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.05318 | 0.25 | 0.36237 |
| 0 | 0.60844 | 0.24878 |
Edge end points:
