s-net: sqc3442
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 12 |
| Edges per primitive translational unit | 20 |
| Transitivity (vertex,edge) | (4,5) |
| Vertex degrees | {3,4,4,3} |
| Vertex coordination sequence | [(3, 5, 10, 23, 53, 108, 193, 317, 460, 625), (4, 10, 24, 54, 108, 196, 312, 454, 618, 806), (4, 12, 32, 66, 128, 220, 336, 472, 636, 824), (3, 6, 13, 28, 63, 123, 217, 345, 494, 664)] |
| Wells’ vertex symbol | [4.8^2, 8^5.12, 8^5.12, 4.8^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 0, 2, -1, 1, 3, 0, 0, 0, 1, 3, 1, 0, 0, 2, 4, 0, 0, 0, 2, 5, 0, 0, 0, 3, 6, 0, 0, 0, 3, 6, 0, 0, 1, 4, 7, 0, 0, 0, 4, 8, 0, 0, 0, 5, 9, 0, 0, 0, 5, 10, 0, 0, 0, 6, 11, 0, 0, 0, 6, 12, 0, 0, 0, 7, 8, 0, -1, 0, 7, 12, 0, -1, 1, 8, 12, 0, -1, 1, 9, 10, 0, -1, 1, 9, 11, 1, -1, 1, 10, 11, 1, -1, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.33503 | 2.33503 | 3.50339 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.5 | 0 |
| 0.5 | 0.5 | 0.25 |
| 0 | 0 | 0.25 |
| 0.5 | 0.5 | 0.08333 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.27385 | 1.27385 | 2.17745 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.30401 | 0.5 | 0 |
| 0.5 | 0.5 | 0.25 |
| 0 | 0 | 0.25 |
| 0.5 | 0.5 | 0.19009 |
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 |
|---|---|---|---|---|---|
 |
hqc1494 | *22222 | (4,5,2) | {4,4,3,3} | {8.8.8.8}{8.8.8.8}{8.4.8}{8.8.4} |