s-net: sqc6828
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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 | 28 |
| Transitivity (vertex,edge) | (2,7) |
| Vertex degrees | {5,4} |
| Vertex coordination sequence | [(5, 14, 30, 54, 86, 125, 169, 221, 283, 350), (4, 10, 24, 46, 74, 112, 158, 208, 266, 332)] |
| Wells’ vertex symbol | [4^5.6^5, 4^4.6^2] |
| 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, 6, 0, 1, 0, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 6, 0, 1, 0, 3, 9, 0, 0, 0, 3, 10, 0, 0, 0, 4, 8, 0, 0, 0, 4, 9, 1, -1, 0, 4, 11, 0, 0, 0, 4, 12, 0, 0, 0, 5, 10, 0, 0, 0, 5, 11, 0, 0, 1, 5, 12, 0, 0, 1, 6, 11, 0, 0, 1, 6, 12, 0, 0, 0, 7, 9, 1, 0, 1, 7, 10, 1, 0, 0, 7, 11, 0, 1, 1, 8, 9, 1, 0, 0, 8, 10, 1, 0, -1, 8, 12, 1, 0, 0, 9, 12, 0, 1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.96789 | 3.19695 | 2.66297 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.15 | 0.0875 | 0.33333 |
| 0.25 | 0.1125 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.68298 | 3.91128 | 2.31482 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.18643 | 0.12086 | 0.42572 |
| 0.25 | 0.12499 | 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 |
|---|---|---|---|---|---|
 |
hqc338 | *2224 | (2,4,3) | {5,4} | {4.4.4.4.4}{4.4.4.4} |