s-net: sqc3220
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 10 |
| Edges per primitive translational unit | 20 |
| Transitivity (vertex,edge) | (2,5) |
| Vertex degrees | {8,3} |
| Vertex coordination sequence | [(8, 32, 70, 120, 196, 290, 392, 512, 658, 812), (3, 10, 41, 99, 168, 253, 361, 482, 615, 770)] |
| Wells’ vertex symbol | [4^4.5^8.6^4.7^8.8^2.10^2, 4.5.6] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 4, 0, 1, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 9, 0, 0, 0, 3, 10, 0, 0, 0, 4, 4, -1, 0, 0, 4, 7, 0, 0, 1, 4, 8, -1, 0, 0, 4, 9, 0, 0, 1, 4, 10, -1, -1, 0, 5, 9, -1, 0, 1, 5, 10, -1, 0, 1, 6, 7, -1, 1, 1, 6, 8, -1, 1, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.931 | 4.63193 | 1.46524 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.33333 | 0.16667 | 0.33333 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.00134 | 5.85307 | 1.00074 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.36989 | 0.16459 | 0.06177 |
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 |
|---|---|---|---|---|---|
 |
hqc139 | *2244 | (2,3,2) | {3,8} | {4.8.8}{8.8.8.8.8.8.8.8} |