s-net: sqc2491
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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 | {4,5} |
| Vertex coordination sequence | [(4, 8, 18, 45, 90, 148, 218, 298, 388, 490), (5, 13, 28, 57, 103, 162, 231, 311, 402, 503)] |
| Wells’ vertex symbol | [3^2.4^3.5, 3.4^2.5^2.7.8^2.10^2] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 4, 0, 0, 0, 2, 4, 1, 0, 0, 2, 5, 0, 0, 0, 3, 3, 0, -1, 0, 3, 6, 0, 0, 0, 3, 7, 0, 0, 0, 4, 5, 0, 0, 0, 5, 5, -1, 0, 0, 5, 8, 0, 0, 0, 6, 7, 0, 0, 0, 6, 7, 0, 1, 0, 6, 8, 0, 0, 1, 7, 8, 0, 0, 1, 8, 8, 0, -1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P42/mmc
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.61267 | 1.61267 | 5.26802 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.16667 | 0 | 0 |
| 0 | 0 | 0.125 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P42/mmc
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.18867 | 1.18867 | 6.35536 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.24965 | 0.5 |
| 0 | 0 | 0.33548 |
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 |
|---|---|---|---|---|---|
 |
hqc1048 | *2224 | (2,5,3) | {5,4} | {8.4.3.4.8}{4.4.3.3} |