s-net: sqc2630
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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 | 18 |
| Transitivity (vertex,edge) | (2,5) |
| Vertex degrees | {3,6} |
| Vertex coordination sequence | [(3, 10, 31, 62, 97, 142, 193, 256, 325, 404), (6, 18, 39, 66, 104, 148, 202, 262, 331, 408)] |
| Wells’ vertex symbol | [3.6^2, 3^2.4^2.5^2.6^5.7^4] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 3, -1, 0, 0, 2, 5, 0, -1, 0, 2, 6, 0, 0, 0, 3, 7, 0, 0, 0, 4, 6, 0, 1, 0, 4, 6, 1, 0, 0, 4, 6, 1, 1, 0, 4, 7, 0, 0, 1, 4, 8, 0, 0, 0, 5, 8, 0, 0, -1, 6, 7, -1, 0, 1, 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 |
|---|---|---|---|---|---|
| 4.00677 | 2.06973 | 3.10323 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0 | 0.66667 |
| 0.3 | 0.25 | 0.16667 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.89528 | 1.7886 | 3.62619 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0 | 0.63789 |
| 0.32729 | 0.25 | 0.12331 |
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 |
|---|---|---|---|---|---|
 |
hqc987 | *22222 | (2,5,3) | {6,3} | {4.3.8.8.3.4}{3.8.8} |