s-net: sqc8239
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 18 |
| Edges per primitive translational unit | 33 |
| Transitivity (vertex,edge) | (2,5) |
| Vertex degrees | {5,3} |
| Vertex coordination sequence | [(5, 12, 24, 42, 67, 102, 142, 183, 227, 283), (3, 6, 16, 33, 55, 82, 121, 163, 220, 261)] |
| Wells’ vertex symbol | [3^2.8^6.9^2, 3.8^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 2, 3, 0, 0, 0, 2, 7, 0, 0, 0, 3, 8, 0, 0, 0, 4, 5, 0, 0, 0, 4, 9, 0, 0, 0, 4, 10, 0, 0, 0, 4, 11, 0, 0, 0, 5, 12, 0, 0, 0, 5, 13, 0, 0, 0, 5, 14, 0, 0, 0, 6, 11, 0, 1, 0, 6, 14, 1, 0, 0, 6, 15, 0, 0, 0, 6, 16, 0, 0, 0, 7, 11, 0, 0, 1, 7, 17, 0, 0, 0, 8, 14, 0, 0, 1, 8, 18, 0, 0, 0, 9, 10, 0, 0, 0, 9, 16, 0, -1, 1, 10, 18, 0, -1, 0, 11, 14, 1, -1, 0, 11, 17, 0, 0, -1, 12, 13, 0, 0, 0, 12, 15, -1, 0, 1, 13, 17, -1, 0, 0, 14, 18, 0, 0, -1, 15, 16, 0, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.54795 | 4.54795 | 9.57046 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.18182 | 0.09091 | 0.23333 |
| 0.36364 | 0.12121 | 0.03333 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.60214 | 3.60214 | 8.89573 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.18508 | 0.09254 | 0.18804 |
| 0.01397 | 0.26363 | 0.28272 |
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 |
|---|---|---|---|---|---|
 |
hqc1731 | *2626 | (2,5,4) | {3,5} | {12.8.3}{3.8.12.12.8} |