s-net: sqc2219
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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 | 17 |
| Transitivity (vertex,edge) | (3,4) |
| Vertex degrees | {3,8,14} |
| Vertex coordination sequence | [(3, 25, 75, 153, 249, 373, 517, 689, 881, 1101), (8, 36, 98, 182, 282, 414, 562, 742, 938, 1166), (14, 42, 102, 178, 286, 410, 566, 738, 942, 1162)] |
| Wells’ vertex symbol | [3^2.4, 3^8.4^8.5^8.6^4, 3^8.4^20.5^16.6^42.7^4.8] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 0, 1, 1, 2, 0, 1, 0, 1, 2, 0, 1, 1, 1, 3, 0, 0, 0, 1, 3, 0, 0, 1, 1, 4, 0, 0, 0, 1, 4, 0, 0, 1, 1, 5, 0, 0, 0, 1, 5, 0, 1, 0, 1, 6, 0, 0, 0, 1, 6, 0, 1, 0, 2, 3, 0, 0, 0, 2, 4, 0, -1, 0, 2, 5, 0, 0, 0, 2, 6, 0, 0, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.71619 | 1.71619 | 2.62153 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.16667 | 0.5 | 0 |
| 0.5 | 0.5 | 0 |
| 0 | 0 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.60696 | 1.60696 | 1.04119 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.19921 | 0.5 | 0 |
| 0.5 | 0.5 | 0 |
| 0 | 0 | 0 |
Edge end points:
