s-net: sqc2420
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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 | {4,8,3} |
| Vertex coordination sequence | [(4, 20, 58, 114, 214, 342, 510, 716, 952, 1220), (8, 24, 64, 126, 224, 354, 516, 716, 950, 1212), (3, 14, 40, 97, 174, 295, 439, 618, 834, 1086)] |
| Wells’ vertex symbol | [5^4.6.8, 4^4.5^4.6^10.7^7.8^3, 4^2.5] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 4, 0, 1, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 2, 3, -1, 0, 0, 2, 7, 0, 0, 0, 3, 7, 1, 1, 0, 4, 8, 0, 0, 0, 4, 8, 0, 0, 1, 5, 6, 1, 0, 0, 5, 7, 1, 0, 1, 6, 7, 0, 1, 1, 7, 7, 0, -1, 0, 7, 8, -1, 0, 0, 7, 8, 0, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.70344 | 1.70344 | 2.55578 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0.5 | 0 |
| 0.375 | 0.375 | 0.25 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.21021 | 1.21021 | 2.07316 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0.5 | 0 |
| 0.21231 | 0.21231 | 0.25 |
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 |
|---|---|---|---|---|---|
 |
hqc1123 | *22222 | (3,5,2) | {4,8,3} | {5.5.5.5}{5.4.4.5.5.4.4.5}{5.4.4} |