s-net: sqc2750
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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 | 18 |
| Transitivity (vertex,edge) | (2,2) |
| Vertex degrees | {5,4} |
| Vertex coordination sequence | [(5, 12, 26, 45, 64, 99, 136, 164, 215, 268), (4, 12, 24, 39, 72, 95, 128, 174, 204, 263)] |
| Wells’ vertex symbol | [4^4.6^6, 4^4.6^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 3, 1, 0, 0, 1, 4, 0, 0, 0, 2, 5, 0, 0, 0, 2, 5, 1, 0, 0, 3, 6, 0, 0, 0, 3, 6, 1, 0, 0, 4, 7, 0, 0, 0, 4, 7, 1, 0, 0, 4, 8, 0, 0, 0, 4, 8, 1, 0, 0, 5, 6, 0, 1, 0, 5, 7, 0, 0, 1, 5, 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 |
|---|---|---|---|---|---|
| 3.59989 | 3.59989 | 1.27285 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.25 | 0 |
| 0.125 | 0.125 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.14544 | 3.14544 | 1.30329 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.34103 | 0 |
| 0.17099 | 0.17099 | 0.5 |
Edge end points:
