s-net: sqc4276
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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 | 22 |
| Transitivity (vertex,edge) | (2,6) |
| Vertex degrees | {6,5} |
| Vertex coordination sequence | [(6, 20, 43, 78, 122, 178, 243, 318, 403, 498), (5, 16, 39, 74, 119, 174, 239, 314, 399, 494)] |
| Wells’ vertex symbol | [3^2.4^4.5^4.6^5, 3.4^4.5^2.6^3] |
| 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, 5, 0, -1, 0, 3, 5, 1, 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, 7, 8, 0, -1, -1, 7, 8, 1, 0, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.24046 | 2.3186 | 3.36032 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.45 | 0.33333 |
| 0.25 | 0 | 0.16667 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.00012 | 2.00016 | 3.73193 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.49995 | 0.36602 |
| 0.25 | 0 | 0.13398 |
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 |
|---|---|---|---|---|---|
 |
hqc1690 | *22222 | (2,6,4) | {6,5} | {4.3.4.4.3.4}{3.4.4.4.4} |