s-net: sqc4268
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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 | 22 |
| Transitivity (vertex,edge) | (2,6) |
| Vertex degrees | {8,3} |
| Vertex coordination sequence | [(8, 34, 102, 216, 376, 592, 838, 1120, 1460, 1826), (3, 11, 53, 134, 262, 450, 682, 902, 1250, 1578)] |
| Wells’ vertex symbol | [3^2.4^9.5^2.6^11.7^4, 3.4^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 2, 1, 0, 0, 1, 2, 2, 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, 5, 0, -2, -1, 2, 6, 0, 0, 1, 3, 4, -1, 0, 0, 5, 6, 0, 1, 1, 5, 6, 0, 2, 1, 5, 6, 1, 1, 1, 5, 6, 2, 0, 1, 5, 7, 0, 0, 0, 5, 8, 0, 0, 0, 6, 7, -1, -1, -1, 6, 8, -1, -1, -1, 7, 8, 1, -1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.57508 | 1.57508 | 3.08503 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.33333 | 0 |
| 0.25 | 0.5 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 0.7759 | 0.7759 | 1.66869 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.0436 | 0 |
| 0.21371 | 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 |
|---|---|---|---|---|---|
 |
hqc1672 | *22222 | (2,6,4) | {8,3} | {4.4.4.3.3.4.4.4}{4.4.3} |