s-net: sqc3450
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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 | 20 |
| Transitivity (vertex,edge) | (2,5) |
| Vertex degrees | {3,7} |
| Vertex coordination sequence | [(3, 12, 47, 134, 271, 464, 679, 950, 1239, 1612), (7, 26, 83, 198, 369, 563, 805, 1081, 1417, 1779)] |
| Wells’ vertex symbol | [3.6^2, 3^2.4^4.5^2.6^4.7^6.8^3] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 2, 2, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 2, 3, 0, 0, 1, 2, 6, 0, 2, 1, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 4, 0, 0, 0, 3, 6, -2, 0, -1, 3, 6, -1, 1, 0, 3, 6, 0, 2, 1, 3, 8, 0, 0, -1, 4, 7, 0, -1, -1, 5, 6, 0, 0, 0, 5, 8, 0, -1, -1, 6, 7, 0, -2, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.62117 | 1.62117 | 2.3329 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.42105 | 0.42105 | 0.25 |
| 0.5 | 0.18421 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 0.96747 | 0.96747 | 2.18332 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.06181 | 0.06181 | 0.25 |
| 0.5 | 0.30832 | 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 |
|---|---|---|---|---|---|
 |
hqc1270 | *22222 | (2,5,4) | {7,3} | {4.4.3.6.3.4.4}{3.6.6} |