s-net: sqc2468
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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) | (2,4) |
| Vertex degrees | {6,3} |
| Vertex coordination sequence | [(6, 15, 26, 44, 70, 99, 132, 171, 218, 272), (3, 10, 25, 42, 65, 98, 133, 170, 215, 268)] |
| Wells’ vertex symbol | [3^2.4^5.5^6.6^2, 3.8^2] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 3, 0, 0, 0, 2, 6, 0, 0, 0, 3, 3, -1, 0, 0, 3, 7, 0, 0, 0, 3, 8, 0, 0, 0, 4, 5, 0, 0, 0, 4, 7, 0, 1, 0, 5, 5, -1, 0, 0, 5, 6, 0, 0, 1, 5, 8, 0, 0, 0, 6, 8, 0, 0, -1, 7, 8, 0, 0, 0, 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 |
|---|---|---|---|---|---|
| 3.96042 | 3.96042 | 1.29643 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.42857 | 0.42857 | 0 |
| 0.21429 | 0.5 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.73205 | 3.73205 | 1.00001 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.36603 | 0.36603 | 0 |
| 0.13398 | 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 |
|---|---|---|---|---|---|
 |
hqc987 | *22222 | (2,5,3) | {6,3} | {4.3.8.8.3.4}{3.8.8} |