s-net: sqc8170
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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 | {3,4} |
| Vertex coordination sequence | [(3, 7, 14, 23, 37, 56, 80, 106, 130, 163), (4, 8, 12, 24, 42, 60, 76, 102, 140, 172)] |
| Wells’ vertex symbol | [6^2.8, 6^4.10^2] |
| 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, 14, 0, 0, 0, 6, 15, 0, 0, 0, 7, 16, 0, 0, 0, 7, 17, 0, 0, 0, 8, 15, 0, 0, 0, 8, 16, 1, 0, 0, 9, 14, 1, 0, 0, 9, 17, 0, 1, 0, 10, 15, 0, 0, 1, 10, 18, 0, 0, 0, 11, 17, 0, 1, 0, 11, 19, 0, 0, 0, 12, 17, 0, 0, 0, 12, 18, 1, -1, 0, 13, 15, 0, 0, 1, 13, 19, 1, -1, 0, 14, 20, 0, 0, 0, 16, 20, 1, -1, 0, 18, 20, 0, 0, 1, 19, 20, 1, 0, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P42/nnm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.54282 | 3.54282 | 4.01801 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.17857 | 0.03571 | 0.16667 |
| 0.75 | 0.75 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P42/nnm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.4575 | 3.4575 | 4.09693 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.16619 | 0.03832 | 0.15054 |
| 0.75 | 0.75 | 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 |
|---|---|---|---|---|---|
 |
hqc85 | *248 | (2,2,2) | {3,4} | {8.6.6}{6.6.6.6} |