s-net: sqc1926
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 7 |
| Edges per primitive translational unit | 16 |
| Transitivity (vertex,edge) | (4,3) |
| Vertex degrees | {4,12,3,4} |
| Vertex coordination sequence | [(4, 32, 30, 108, 84, 306, 166, 484, 276, 866), (12, 16, 68, 58, 220, 128, 388, 226, 716, 352), (3, 22, 25, 108, 79, 276, 160, 501, 269, 808), (4, 8, 62, 50, 180, 120, 418, 218, 636, 344)] |
| Wells’ vertex symbol | [4^4.6^2, 4^24.6^34.8^8, 4.6^2, 6^2.8^4] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 1, 3, 1, 0, 0, 1, 3, 1, 1, 0, 1, 4, 0, 0, 0, 1, 4, 1, 0, 0, 1, 5, 0, 0, 0, 1, 5, 0, 1, 0, 1, 6, 0, 0, 0, 1, 6, 0, 1, 0, 2, 7, 0, 0, 0, 4, 7, 0, 1, 0, 5, 7, 0, 0, 1, 6, 7, 1, 0, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P-4m2
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.51575 | 1.51575 | 2.83571 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.5 | 0.5 | 0 |
| 0.33333 | 0 | 0.16667 |
| 0 | 0 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P-4m2
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.41432 | 1.41432 | 3.10721 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.5 | 0.5 | 0 |
| 0.28993 | 0 | 0.20647 |
| 0 | 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 |
|---|---|---|---|---|---|
 |
hqc909 | *4444 | (4,3,2) | {4,12,3,4} | {4.4.4.4}{4.16.4.4.16.4.4.16.4.4... |