s-net: sqc2669
 |
|
| 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, 12, 32, 72, 130, 208, 302, 412, 544, 688), (5, 14, 35, 72, 133, 214, 303, 412, 541, 692)] |
| Wells’ vertex symbol | [4^2.6^3.8, 4^4.6^4.8^2] |
| 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, 2, 4, -2, 1, 0, 2, 4, 0, 0, 0, 3, 4, 0, 0, 0, 3, 5, 0, 0, 0, 4, 6, 0, 0, 0, 5, 6, 0, 0, 1, 5, 7, 0, 0, 0, 5, 7, 0, 1, 0, 6, 8, -2, 1, 0, 6, 8, 0, 0, 0, 7, 8, -2, 1, 1, 7, 8, -1, 0, 1, 7, 8, 0, -1, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.295 | 1.295 | 4.59333 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0.40909 |
| 0.5 | 0.5 | 0.02273 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 0.67431 | 0.67431 | 3.99357 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0.37707 |
| 0.5 | 0.5 | 0.10216 |
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 |
|---|---|---|---|---|---|
 |
hqc1040 | *22222 | (2,5,3) | {5,4} | {4.4.6.4.4}{4.4.6.6} |