s-net: sqc2190
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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 | 16 |
| Transitivity (vertex,edge) | (3,4) |
| Vertex degrees | {4,4,4} |
| Vertex coordination sequence | [(4, 12, 30, 62, 110, 170, 236, 328, 420, 540), (4, 12, 30, 60, 108, 166, 232, 322, 420, 529), (4, 12, 28, 64, 114, 162, 240, 336, 422, 504)] |
| Wells’ vertex symbol | [5^2.6^2.7^2, 5^2.6^2.7.8, 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, 3, 1, 0, 0, 2, 6, 0, 0, 0, 2, 7, 0, 0, 0, 3, 6, -2, 0, 0, 3, 7, 0, 1, 0, 4, 5, 1, 1, 0, 4, 6, 0, 0, 1, 4, 8, 0, 0, 0, 5, 6, -2, -2, 1, 5, 8, 0, -1, 0, 7, 8, 0, -1, 0, 7, 8, 0, 0, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.02557 | 2.02557 | 2.39654 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0.25 |
| 0.1 | 0.5 | 0 |
| 0.5 | 0.5 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.58228 | 1.58228 | 2.21197 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0.25 |
| 0.19792 | 0.5 | 0 |
| 0.5 | 0.5 | 0 |
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 |
|---|---|---|---|---|---|
 |
hqc821 | *22222 | (3,4,2) | {4,4,4} | {6.5.5.6}{6.5.6.5}{5.5.5.5} |