s-net: sqc3278
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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 | 20 |
| Transitivity (vertex,edge) | (2,3) |
| Vertex degrees | {4,3} |
| Vertex coordination sequence | [(4, 10, 20, 40, 92, 186, 332, 560, 880, 1288), (3, 6, 15, 36, 75, 132, 253, 467, 752, 1135)] |
| Wells’ vertex symbol | [11^5.16, 4.11^2] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 2, 4, 0, 0, 0, 2, 5, 0, 0, 0, 3, 6, 0, 0, 0, 3, 7, 0, 0, 0, 4, 8, 0, 0, 0, 4, 9, 0, 0, 0, 5, 8, 0, 0, 0, 5, 10, 0, 0, 0, 6, 10, 0, 1, 0, 6, 11, 0, 0, 0, 7, 9, 0, 0, 1, 7, 11, 0, 0, 0, 8, 12, 0, 0, 0, 9, 9, -1, -1, 1, 10, 10, 0, 0, -1, 11, 12, -1, 0, 1, 12, 12, 0, -1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: I41/a
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.2812 | 3.2812 | 3.37953 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0.16667 | 0.1 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: I41/a
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.53187 | 1.53187 | 1.52868 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.05299 | 0.03888 | 0.38219 |
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 |
|---|---|---|---|---|---|
 |
hqc140 | *2244 | (2,3,2) | {3,4} | {4.16.16}{16.16.16.16} |