s-net: sqc2878
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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) | (4,4) |
| Vertex degrees | {8,3,4,4} |
| Vertex coordination sequence | [(8, 20, 56, 90, 180, 234, 368, 442, 620, 714), (3, 14, 27, 71, 112, 222, 268, 430, 488, 702), (4, 8, 38, 72, 156, 196, 332, 384, 572, 636), (4, 28, 56, 124, 168, 280, 344, 500, 584, 784)] |
| Wells’ vertex symbol | [3^4.4^2.6^8.7^4.8^8.9^2, 3.6^2, 6^6, 6^6] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 2, 2, -1, 0, 0, 2, 4, 0, 0, 0, 2, 4, 0, 1, 0, 2, 5, 0, 0, 0, 2, 5, 1, 0, 0, 3, 5, 1, 1, 0, 3, 6, 0, 0, 0, 3, 7, 0, 0, 0, 4, 8, 0, 0, 0, 4, 8, 0, 0, 1, 6, 8, 0, 1, 0, 6, 8, 1, 1, 0, 7, 8, 0, 1, 1, 7, 8, 1, 1, 1, 8, 8, -1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.76619 | 2.76619 | 1.26267 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.5 | 0 |
| 0 | 0.33333 | 0.5 |
| 0 | 0 | 0.5 |
| 0 | 0 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.63579 | 2.63579 | 1.33969 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.5 | 0 |
| 0.27723 | 0 | 0.5 |
| 0 | 0 | 0.5 |
| 0 | 0 | 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 |
|---|---|---|---|---|---|
 |
hqc1163 | *2244 | (4,4,2) | {8,3,4,4} | {3.6.6.3.3.6.6.3}{3.6.6}{6.6.6.6... |