s-net: sqc2666
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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) | (2,5) |
| Vertex degrees | {6,3} |
| Vertex coordination sequence | [(6, 20, 58, 132, 228, 348, 500, 678, 880, 1106), (3, 10, 35, 90, 172, 276, 412, 578, 766, 978)] |
| Wells’ vertex symbol | [4^4.6^5.8^5.10, 4^2.6] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 2, 2, 0, 0, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 1, 4, 0, 0, 0, 2, 5, 0, 0, 0, 2, 6, 0, 0, 0, 2, 6, 2, -1, 0, 3, 6, 2, -1, 0, 4, 5, 0, 0, 1, 4, 5, 1, -1, 1, 4, 5, 2, -2, 1, 4, 7, 0, 0, 0, 4, 7, 0, 1, 0, 5, 8, 0, 0, 0, 5, 8, 2, -1, 0, 7, 8, 2, -2, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.3321 | 1.3321 | 4.27332 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0.05556 |
| 0.5 | 0.5 | 0.02778 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 0.68471 | 0.68471 | 3.68152 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0.11151 |
| 0.5 | 0.5 | 0.1307 |
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 |
|---|---|---|---|---|---|
 |
hqc1052 | *22222 | (2,5,3) | {6,3} | {4.4.6.6.4.4}{4.4.6} |