s-net: sqc4117
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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 | {3,8} |
| Vertex coordination sequence | [(3, 12, 40, 86, 146, 222, 314, 422, 546, 686), (8, 28, 64, 116, 184, 268, 368, 484, 616, 764)] |
| Wells’ vertex symbol | [4^3, 4^18.6^10] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 2, 2, -1, 0, 0, 2, 3, 0, 0, 1, 2, 6, 0, -1, 1, 2, 6, 0, 0, 1, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 3, -1, 0, 0, 3, 6, 0, -1, 1, 3, 7, -1, 0, -1, 3, 8, 1, 0, -1, 4, 6, 1, 0, 0, 4, 8, 1, 0, -1, 5, 6, -1, 0, 0, 5, 7, -1, 1, -1, 6, 6, -1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.81635 | 2.53241 | 1.16396 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.125 | 0 |
| 0.16667 | 0 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.90007 | 1.87191 | 0.97606 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.03317 | 0 |
| 0.13083 | 0 | 0.5 |
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 |
|---|---|---|---|---|---|
 |
hqc1737 | *222222 | (2,6,4) | {8,3} | {4.6.4.4.4.4.6.4}{6.4.4} |