s-net: sqc9190
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 20 |
| Edges per primitive translational unit | 36 |
| Transitivity (vertex,edge) | (4,5) |
| Vertex degrees | {3,4,4,4} |
| Vertex coordination sequence | [(3, 8, 18, 40, 67, 105, 140, 202, 270, 327), (4, 10, 24, 44, 78, 116, 165, 214, 273, 343), (4, 12, 28, 50, 72, 132, 186, 200, 248, 364), (4, 12, 20, 50, 92, 112, 140, 238, 312, 316)] |
| Wells’ vertex symbol | [5^2.8, 5^2.8^4, 8^6, 5^4.8^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 6, 0, 0, 0, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 6, 1, 0, 0, 3, 9, 0, 0, 0, 3, 10, 0, 0, 0, 4, 6, 0, 1, 0, 4, 11, 0, 0, 0, 4, 12, 0, 0, 0, 5, 6, 0, 0, 1, 5, 13, 0, 0, 0, 5, 14, 0, 0, 0, 7, 11, 0, 0, 0, 7, 15, 0, 0, 0, 8, 14, 0, 0, 0, 8, 16, 0, 0, 0, 9, 13, 0, 0, 0, 9, 16, 1, -1, 0, 10, 12, 0, 0, 0, 10, 15, 0, 0, 1, 11, 17, 0, 0, 0, 12, 18, 0, 0, 0, 13, 18, 0, -1, 0, 14, 17, -1, 0, 1, 15, 19, 0, 0, 0, 15, 20, 0, 0, 0, 16, 19, -1, 1, 0, 16, 20, -1, 0, 1, 17, 19, 0, 1, 0, 17, 20, 0, 0, 0, 18, 19, -1, 1, 1, 18, 20, 0, 0, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: I41/a
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.01222 | 4.01222 | 4.65615 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.07143 | 0.03571 | 0.45833 |
| 0.21429 | 0.17857 | 0.54167 |
| 0 | 0.25 | 0.125 |
| 0 | 0.25 | 0.625 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: I41/a
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.26371 | 3.26371 | 4.62624 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.37012 | 0.52131 | 0.0553 |
| 0.25055 | 0.25011 | 0.00055 |
| 0 | 0.25 | 0.125 |
| 0 | 0.25 | 0.625 |
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 |
|---|---|---|---|---|---|
 |
hqc1249 | *2244 | (4,4,2) | {3,4,4,4} | {5.8.5}{5.5.8.8}{8.8.8.8}{5.5.5.5} |