s-net: sqc3397
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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 | {7,3} |
| Vertex coordination sequence | [(7, 23, 54, 97, 153, 224, 307, 403, 514, 637), (3, 10, 33, 70, 122, 182, 262, 350, 454, 570)] |
| Wells’ vertex symbol | [3^2.4^7.5^2.6^8.7^2, 3.4^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 2, 3, -1, 0, 0, 2, 4, 0, 0, 1, 2, 5, -1, -1, -1, 2, 6, 0, -1, 0, 3, 7, 0, 0, 0, 4, 5, -1, -1, -1, 4, 5, -1, 0, -1, 4, 5, 0, -1, -1, 4, 7, -1, 0, -1, 4, 8, 0, 0, 0, 5, 7, 0, 0, 0, 5, 8, 0, 1, 1, 6, 8, 0, 1, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Fmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.27714 | 4.41025 | 5.09421 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.3 | 0.15 |
| 0.25 | 0.25 | 0.2 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Fmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.47589 | 3.35142 | 3.47132 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.35075 | 0.14409 |
| 0.25 | 0.25 | 0.10626 |
Edge end points:
