s-net: sqc2021
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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 | 16 |
| Transitivity (vertex,edge) | (2,4) |
| Vertex degrees | {3,5} |
| Vertex coordination sequence | [(3, 9, 28, 48, 74, 122, 172, 208, 270, 348), (5, 13, 28, 52, 87, 126, 169, 224, 285, 351)] |
| Wells’ vertex symbol | [4.8^2, 4^3.6.8^6] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 3, 0, 1, 0, 2, 4, 0, 1, 0, 2, 6, 0, 0, 0, 3, 7, 0, 0, 0, 4, 8, 0, 0, 0, 5, 6, 0, 0, 0, 5, 6, 1, 0, 0, 5, 7, 1, 0, 1, 5, 8, 0, 0, 1, 6, 7, 0, -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 |
|---|---|---|---|---|---|
| 2.07757 | 3.79362 | 2.84597 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.375 | 0.25 | 0.16667 |
| 0 | 0.0625 | 0.66667 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.85527 | 3.95079 | 2.91972 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.36367 | 0.25 | 0.15527 |
| 0 | 0.54728 | 0.34115 |
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 |
|---|---|---|---|---|---|
 |
hqc674 | *22222 | (2,4,3) | {5,3} | {4.8.4.8.4}{8.8.4} |