s-net: sqc7923
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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 | 32 |
| Transitivity (vertex,edge) | (2,3) |
| Vertex degrees | {8,3} |
| Vertex coordination sequence | [(8, 16, 16, 56, 112, 108, 136, 280, 292, 292), (3, 10, 27, 42, 66, 128, 171, 184, 277, 368)] |
| Wells’ vertex symbol | [6^8.9^16.12^4, 4.6^2] |
| 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, 1, 7, 0, 0, 0, 1, 8, 0, 0, 0, 1, 9, 0, 0, 0, 2, 4, 1, 0, 0, 2, 10, 0, 0, 0, 3, 5, 1, 0, 0, 3, 11, 0, 0, 0, 4, 12, 0, 0, 0, 5, 13, 0, 0, 0, 6, 7, 0, 1, 0, 6, 14, 0, 0, 0, 7, 15, 0, 0, 0, 8, 9, 0, 1, 0, 8, 16, 0, 0, 0, 9, 17, 0, 0, 0, 10, 12, 1, 0, 0, 10, 18, 0, 0, 0, 11, 13, 1, 0, 0, 11, 18, 0, -1, 0, 12, 18, 0, 0, 0, 13, 18, 0, -1, 0, 14, 15, 0, 1, 0, 14, 18, 0, 0, 1, 15, 18, 0, 0, 1, 16, 17, 0, 1, 0, 16, 18, -1, 0, 1, 17, 18, -1, 0, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: I41/amd
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.56738 | 2.56738 | 8.11877 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.25 | 0.375 |
| 0.16667 | 0.08333 | 0.04167 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: I41/amd
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.47964 | 2.47964 | 7.96468 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.25 | 0.375 |
| 0.20164 | 0.10694 | 0.05322 |
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 |
|---|---|---|---|---|---|
 |
hqc655 | *2244 | (2,3,3) | {3,8} | {4.12.6}{6.12.6.12.6.12.6.12} |