s-net: sqc3227
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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) | (3,5) |
| Vertex degrees | {4,4,8} |
| Vertex coordination sequence | [(4, 12, 40, 88, 178, 344, 548, 784, 1060, 1360), (4, 14, 46, 96, 188, 350, 554, 790, 1066, 1366), (8, 20, 48, 124, 246, 426, 630, 874, 1142, 1450)] |
| Wells’ vertex symbol | [3^4.4^2, 3^2.4.7^2.8, 3^4.4^2.7^6.8^12.9^4] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 1, 7, 0, 0, 0, 2, 3, 0, 0, 0, 2, 4, 0, 1, 0, 2, 8, 0, 0, 0, 3, 4, 0, 0, 0, 3, 8, 0, 0, 0, 4, 8, 0, 0, 0, 5, 6, 0, 0, 0, 5, 7, -1, 1, 0, 5, 8, 0, 0, 1, 6, 7, 0, 0, 0, 6, 8, 0, 0, 1, 7, 8, 0, 0, 1, 8, 8, -1, 2, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.86145 | 1.86145 | 3.4665 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0.2 | 0 |
| 0 | 0 | 0.25 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.39552 | 1.39552 | 4.15309 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0.33486 | 0 |
| 0 | 0 | 0.25 |
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 |
|---|---|---|---|---|---|
 |
hqc1513 | *22222 | (3,5,2) | {4,8,4} | {8.3.3.8}{8.8.3.3.8.8.3.3}{3.3.3.3} |