s-net: sqc550
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 3 |
| Edges per primitive translational unit | 11 |
| Transitivity (vertex,edge) | (2,6) |
| Vertex degrees | {8,7} |
| Vertex coordination sequence | [(8, 36, 86, 164, 276, 402, 548, 728, 922, 1136), (7, 35, 92, 173, 277, 406, 557, 727, 926, 1147)] |
| Wells’ vertex symbol | [3^4.4^10.5^10.6^4, 3.4^6.5^10.6^3.7] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 1, 0, -1, 0, 1, 2, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, -1, 0, 0, 1, 3, 0, 0, 0, 2, 2, -1, -1, 0, 2, 3, 0, -2, 1, 2, 3, 0, -1, 1, 2, 3, 0, 0, 1, 3, 3, -1, 1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.25149 | 0.97516 | 0.87148 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.375 | 0.5 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.74873 | 0.87276 | 0.68323 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.34134 | 0.5 | 0 |
Edge end points:
Hyperbolic sources
h-nets with faithful topology
1 record listed.| Image | h-net name | Orbifold symbol | Transitivity (Vert,Edge,Face) | Vertex Degree | 2D Vertex Symbol |
|---|---|---|---|---|---|
 |
hqc1668 | *222222 | (2,6,4) | {7,8} | {4.4.4.3.4.4.4}{4.4.3.3.4.4.3.3} |