s-net: sqc6731
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 12 |
| Edges per primitive translational unit | 28 |
| Transitivity (vertex,edge) | (2,3) |
| Vertex degrees | {8,3} |
| Vertex coordination sequence | [(8, 28, 80, 184, 328, 504, 720, 968, 1256, 1576), (3, 13, 49, 124, 250, 404, 602, 828, 1098, 1396)] |
| Wells’ vertex symbol | [4^8.6^8.8^12, 4^3] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 4, 0, 1, 0, 1, 5, 0, 0, 0, 1, 5, 1, 0, 0, 1, 6, 0, 0, 0, 1, 7, 0, 0, 0, 2, 8, 0, 0, 0, 2, 9, 0, 0, 0, 3, 9, -1, 1, 0, 3, 10, 0, 0, 0, 4, 8, 0, 0, 0, 4, 9, -1, 0, -1, 4, 9, 0, 0, 1, 4, 10, 0, -1, -1, 4, 11, 0, 0, 0, 4, 12, 0, 0, 0, 5, 8, -1, 0, -1, 5, 9, -1, 0, -1, 5, 9, -1, 1, 1, 5, 10, 0, 0, 0, 5, 11, -1, 0, -1, 5, 12, 0, 1, 1, 6, 9, 0, 0, 0, 6, 11, 0, 0, -1, 7, 9, -1, 1, 0, 7, 12, 0, 1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P42/nnm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.29622 | 2.29622 | 2.0538 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.25 | 0.25 | 0.125 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P42/nnm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.63183 | 1.63183 | 1.2141 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.25 | 0.25 | 0.16328 |
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 |
|---|---|---|---|---|---|
 |
hqc440 | *2224 | (2,3,3) | {8,3} | {4.4.4.4.4.4.4.4}{4.4.4} |