s-net: sqc2025
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 6 |
| Edges per primitive translational unit | 16 |
| Transitivity (vertex,edge) | (2,4) |
| Vertex degrees | {5,6} |
| Vertex coordination sequence | [(5, 17, 44, 85, 135, 194, 263, 343, 434, 535), (6, 20, 48, 86, 134, 192, 262, 342, 432, 534)] |
| Wells’ vertex symbol | [4^5.6^5, 4^6.6^8.8] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 3, 1, 1, 0, 2, 4, 0, 1, 0, 2, 6, 0, 0, 0, 3, 3, -1, -1, 0, 3, 5, 0, 0, 1, 3, 6, 0, -1, 1, 4, 4, -1, -1, 0, 4, 5, 1, 0, 1, 4, 6, 0, -1, 1, 5, 6, 0, 0, 0, 5, 6, 1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.67192 | 1.90692 | 1.27893 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.125 | 0.25 | 0.16667 |
| 0.25 | 0 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 5.14247 | 1.94416 | 1.00015 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.09723 | 0.25 | 0.11733 |
| 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 |
|---|---|---|---|---|---|
 |
hqc669 | *22222 | (2,4,3) | {5,6} | {4.4.4.4.4}{4.4.4.4.4.4} |