s-net: sqc4557
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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 | 22 |
| Transitivity (vertex,edge) | (2,3) |
| Vertex degrees | {7,4} |
| Vertex coordination sequence | [(7, 19, 40, 71, 109, 156, 211, 275, 348, 429), (4, 16, 35, 68, 109, 146, 211, 276, 339, 426)] |
| Wells’ vertex symbol | [3^4.4^5.5^4.6^6.7^2, 3^2.4^2.5^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 3, 1, 0, 0, 1, 4, 0, 0, 0, 1, 4, 1, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 2, 3, 0, 0, 0, 2, 3, 1, 0, 0, 2, 5, 0, 1, 0, 2, 6, 0, 0, 1, 2, 7, 0, 0, 0, 2, 7, 1, 0, 0, 4, 5, -1, 0, 0, 4, 5, 0, 0, 0, 5, 6, 0, 0, 1, 5, 8, 0, 0, 0, 5, 8, 1, 0, 0, 6, 7, 0, 0, -1, 6, 7, 1, 0, -1, 6, 8, 0, 0, -1, 6, 8, 1, 0, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.63814 | 3.63814 | 1.48509 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.16667 | 0 |
| 0.08333 | 0.08333 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.41436 | 2.41436 | 1.73199 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.29288 | 0 |
| 0.14658 | 0.14658 | 0.5 |
Edge end points:
