s-net: sqc2872
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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) | (3,5) |
| Vertex degrees | {4,3,8} |
| Vertex coordination sequence | [(4, 10, 32, 70, 124, 188, 262, 346, 442, 548), (3, 14, 37, 74, 127, 186, 261, 342, 437, 542), (8, 24, 52, 90, 140, 204, 276, 358, 456, 564)] |
| Wells’ vertex symbol | [6^4.7.8, 3.6^2, 3^4.4^6.5^8.6^2.7^4.8^4] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 5, 0, 0, 0, 2, 6, 0, 0, 0, 3, 7, 0, 0, 0, 3, 8, 0, 0, 0, 4, 7, 1, 1, 0, 4, 8, 0, 1, 0, 5, 7, 1, 0, 1, 5, 8, 0, 0, 1, 6, 7, 1, 1, 1, 6, 8, 1, 1, 1, 7, 7, -1, 0, -1, 7, 8, -1, 0, 0, 7, 8, 0, 0, 0, 8, 8, -1, 0, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 5.62002 | 2.15146 | 1.7234 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.75 | 0.125 |
| 0.33333 | 0.25 | 0.375 |
| 0.25 | 0 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 7.21438 | 1.99914 | 1.00021 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.75 | 0.02144 |
| 0.36621 | 0.25 | 0.28288 |
| 0.25 | 0 | 0.5 |
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 |
|---|---|---|---|---|---|
 |
hqc1103 | *22222 | (3,5,2) | {8,3,4} | {3.6.6.3.3.6.6.3}{3.6.6}{6.6.6.6} |