s-net: sqc3721
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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 | {7,3} |
| Vertex coordination sequence | [(7, 27, 79, 175, 317, 511, 748, 1018, 1334, 1692), (3, 11, 47, 122, 232, 402, 628, 864, 1160, 1504)] |
| Wells’ vertex symbol | [4^7.6^10.8^4, 4^3] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 1, 3, 2, -1, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 2, 3, 0, 0, 1, 2, 6, -2, 1, 1, 2, 6, 0, 0, 1, 2, 6, 0, 1, 1, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 4, -1, 0, 0, 3, 5, -1, 0, 0, 3, 6, 0, 0, 1, 4, 5, 1, -1, 0, 6, 7, 1, -1, -1, 6, 8, 1, -1, -1, 7, 8, -1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.50661 | 1.50661 | 2.89859 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.3 | 0 |
| 0.25 | 0.5 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.58692 | 1.58692 | 2.17062 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.35027 | 0 |
| 0.35093 | 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 |
|---|---|---|---|---|---|
 |
hqc1308 | *22222 | (2,5,4) | {7,3} | {4.4.4.4.4.4.4}{4.4.4} |