s-net: sqc8166
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 20 |
| Edges per primitive translational unit | 32 |
| Transitivity (vertex,edge) | (2,3) |
| Vertex degrees | {4,3} |
| Vertex coordination sequence | [(4, 8, 13, 28, 46, 55, 70, 107, 138, 146), (3, 7, 13, 21, 38, 59, 76, 96, 125, 157)] |
| Wells’ vertex symbol | [6^6, 6.8.10] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 6, 0, 0, 0, 2, 7, 0, 0, 0, 3, 8, 0, 0, 0, 3, 9, 0, 0, 0, 4, 10, 0, 0, 0, 4, 11, 0, 0, 0, 5, 12, 0, 0, 0, 5, 13, 0, 0, 0, 6, 8, 1, 0, 0, 6, 14, 0, 0, 0, 7, 15, 0, 0, 0, 7, 16, 0, 0, 0, 8, 17, 0, 0, 0, 9, 16, 0, 0, 0, 9, 18, 0, 0, 0, 10, 12, 1, 0, 0, 10, 14, 0, 1, 0, 11, 16, 0, 0, 0, 11, 19, 0, 0, 0, 12, 17, 0, 1, 0, 13, 16, 0, 0, 0, 13, 20, 0, 0, 0, 14, 15, 0, 1, 1, 14, 19, 0, 0, 1, 15, 18, 1, 0, 0, 17, 18, 0, 1, 1, 17, 20, 0, 0, 1, 19, 20, 1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P42/mmc
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.70969 | 3.70969 | 4.0638 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.4 | 0 | 0 |
| 0.4 | 0.2 | 0.16667 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P42/mmc
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.64276 | 3.64276 | 3.83024 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.36227 | 0 | 0 |
| 0.36274 | 0.20058 | 0.17825 |
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 |
|---|---|---|---|---|---|
 |
hqc661 | *2244 | (2,3,3) | {3,4} | {8.12.6}{6.12.6.12} |