s-net: sqc2159
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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 | 16 |
| Transitivity (vertex,edge) | (2,4) |
| Vertex degrees | {5,3} |
| Vertex coordination sequence | [(5, 13, 28, 53, 89, 128, 169, 225, 294, 363), (3, 9, 28, 53, 83, 120, 173, 237, 292, 343)] |
| Wells’ vertex symbol | [4^3.6.8^6, 4.8^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 2, 3, 1, 0, 0, 2, 4, 1, 0, 0, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 4, 1, 0, 0, 3, 5, 0, 1, 0, 3, 6, 0, 1, 0, 4, 7, 0, 0, 1, 4, 8, 0, 0, 1, 5, 6, 1, 0, 1, 7, 8, 0, 1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.17488 | 2.17488 | 2.34879 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.16667 | 0 |
| 0.25 | 0.5 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.41407 | 2.41407 | 1.41497 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.20707 | 0 |
| 0.29288 | 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 |
|---|---|---|---|---|---|
 |
hqc674 | *22222 | (2,4,3) | {5,3} | {4.8.4.8.4}{8.8.4} |