s-net: sqc6972
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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 | 28 |
| Transitivity (vertex,edge) | (3,4) |
| Vertex degrees | {3,3,4} |
| Vertex coordination sequence | [(3, 5, 10, 21, 30, 46, 61, 90, 117, 133), (3, 6, 11, 18, 31, 48, 71, 84, 106, 136), (4, 8, 12, 20, 28, 60, 76, 86, 100, 132)] |
| Wells’ vertex symbol | [4.9.11, 4.9^2, 9^4.14^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 6, 0, 0, 0, 2, 7, 0, 0, 0, 3, 8, 0, 0, 0, 3, 9, 0, 0, 0, 4, 10, 0, 0, 0, 4, 11, 0, 0, 0, 5, 12, 0, 0, 0, 5, 13, 0, 0, 0, 6, 9, 1, 0, 0, 6, 14, 0, 0, 0, 7, 8, 0, 1, 0, 7, 14, 0, 0, 0, 8, 15, 0, 0, 0, 9, 15, 0, 0, 0, 10, 13, 0, 0, 1, 10, 16, 0, 0, 0, 11, 12, -1, 1, 1, 11, 16, 0, 0, 0, 12, 17, 0, 0, 0, 13, 17, 0, 0, 0, 14, 18, 0, 0, 0, 15, 18, -1, 0, 1, 16, 18, -1, 1, 1, 17, 18, -1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: I-42d
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 5.8166 | 5.8166 | 4.11296 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.1875 | 0 |
| 0.16667 | 0.375 | 0.33333 |
| 0 | 0 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: I-42d
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 5.45489 | 5.45489 | 3.91779 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.27553 | 0.19406 | 0.0239 |
| 0.13491 | 0.39264 | 0.33674 |
| 0 | 0 | 0 |
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 |
|---|---|---|---|---|---|
 |
hqc570 | *2244 | (3,3,2) | {3,3,4} | {20.4.20}{20.20.4}{20.20.20.20} |