s-net: sqc4470
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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 | 22 |
| Transitivity (vertex,edge) | (4,6) |
| Vertex degrees | {3,4,4,4} |
| Vertex coordination sequence | [(3, 6, 12, 26, 50, 81, 148, 203, 266, 326), (4, 8, 17, 35, 61, 108, 163, 220, 280, 350), (4, 11, 24, 44, 86, 120, 178, 241, 302, 380), (4, 11, 30, 59, 92, 128, 172, 237, 320, 389)] |
| Wells’ vertex symbol | [4^2.6, 4^2.6.7^2.9, 4.7^4.10, 4.7^4.8] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 3, 0, 1, 0, 2, 4, 0, 1, 0, 3, 5, 0, 0, 0, 3, 6, 0, 0, 0, 4, 7, 0, 0, 0, 4, 8, 0, 0, 0, 5, 8, 0, 0, 1, 5, 9, 0, 0, 0, 5, 10, 0, 0, 0, 6, 7, 1, 0, 1, 6, 9, 0, -1, 0, 6, 10, 1, 1, 0, 7, 11, 0, 0, 0, 7, 12, 0, 0, 0, 8, 11, 0, -1, 0, 8, 12, 1, 1, 0, 9, 12, 1, 1, 1, 10, 11, 0, -1, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Fmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.42658 | 8.75423 | 3.50935 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.23214 | 0.25 |
| 0.2 | 0.21429 | 0 |
| 0 | 0.10714 | 0 |
| 0 | 0 | 0.16667 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Fmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.87075 | 8.01695 | 3.96605 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.18764 | 0.25 |
| 0.18127 | 0.18973 | 0 |
| 0 | 0.07239 | 0 |
| 0 | 0 | 0.79465 |
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 |
|---|---|---|---|---|---|
 |
hqc1787 | *22222 | (4,6,2) | {4,4,4,3} | {7.7.7.7}{7.7.7.7}{7.4.4.7}{7.4.4} |