s-net: sqc3141
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 6 |
| Edges per primitive translational unit | 20 |
| Transitivity (vertex,edge) | (2,6) |
| Vertex degrees | {12,4} |
| Vertex coordination sequence | [(12, 54, 132, 246, 396, 582, 804, 1062, 1356, 1686), (4, 20, 75, 174, 306, 474, 678, 918, 1194, 1506)] |
| Wells’ vertex symbol | [3^12.4^22.5^23.6^5.7^4, 3^3.4^2.5] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, -1, -1, 1, 1, 2, -1, 0, 0, 1, 2, -1, 0, 1, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 1, 2, 0, 1, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 2, 2, -1, 0, 0, 2, 3, 0, -1, 0, 2, 4, 1, 1, -1, 2, 5, 0, -1, 0, 2, 6, 1, 1, -1, 3, 5, 0, 0, 0, 3, 6, 1, 1, 0, 4, 5, 0, -1, 0, 4, 6, 0, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Imma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.78711 | 1.527 | 2.4942 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.25 | 0.25 |
| 0 | 0.16667 | 0.375 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Imma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.9385 | 1.00851 | 1.64838 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.25 | 0.25 |
| 0 | 0.24756 | 0.27534 |
Edge end points:
