s-net: sqc3528
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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 | 20 |
| Transitivity (vertex,edge) | (2,5) |
| Vertex degrees | {3,7} |
| Vertex coordination sequence | [(3, 12, 35, 72, 115, 168, 247, 332, 393, 478), (7, 21, 42, 75, 132, 185, 242, 321, 425, 516)] |
| Wells’ vertex symbol | [3.6^2, 3^2.4^8.5^6.6^3.7^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 3, 1, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 2, 3, 0, 1, 0, 2, 4, 0, 0, 0, 2, 5, -1, 0, 0, 2, 6, -1, 1, 0, 2, 6, 0, 1, 0, 3, 6, -1, 1, 0, 3, 6, 0, 1, 0, 3, 7, 0, 0, 0, 3, 8, 0, 0, 0, 4, 7, 0, 0, 1, 5, 8, 0, 0, 1, 6, 7, 1, -1, 0, 6, 8, 0, -1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.68874 | 5.77051 | 2.1811 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.14286 | 0.5 |
| 0 | 0.03571 | 0.375 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.74914 | 6.43308 | 1.36005 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.17228 | 0.5 |
| 0 | 0.03767 | 0.32165 |
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 |
|---|---|---|---|---|---|
 |
hqc1270 | *22222 | (2,5,4) | {7,3} | {4.4.3.6.3.4.4}{3.6.6} |