s-net: sqc1561
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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 | 15 |
| Transitivity (vertex,edge) | (3,4) |
| Vertex degrees | {3,3,6} |
| Vertex coordination sequence | [(3, 12, 22, 44, 71, 104, 133, 182, 232, 276), (3, 11, 20, 41, 67, 100, 129, 179, 228, 271), (6, 10, 26, 46, 68, 96, 146, 176, 218, 294)] |
| Wells’ vertex symbol | [6^2.8, 4.6^2, 4^2.6^6.8^6.10] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 1, 7, 0, 0, 0, 2, 7, 1, 0, 0, 2, 8, 0, 0, 0, 3, 6, 0, 1, 0, 3, 8, -1, 1, 0, 4, 5, 0, 0, 1, 4, 8, -1, 0, 1, 5, 8, 0, 0, 0, 6, 8, 0, -1, 1, 7, 8, -1, 0, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Fmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.5117 | 3.18859 | 3.68328 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0.375 |
| 0.25 | 0.25 | 0.125 |
| 0.25 | 0 | 0.25 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Fmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.60335 | 3.60316 | 3.73689 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0.3662 |
| 0.25 | 0.25 | 0.1338 |
| 0.25 | 0 | 0.25 |
Edge end points:
