s-net: sqc3727
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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, 26, 83, 168, 298, 440, 629, 830, 1089, 1348), (3, 12, 47, 128, 229, 391, 528, 756, 957, 1275)] |
| Wells’ vertex symbol | [3^2.4^4.5^2.6^4.7^8.8, 3.6^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 3, 1, 0, 0, 1, 4, 0, 0, 0, 1, 4, 0, 1, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 2, 4, 0, 0, 0, 2, 7, 0, 0, 0, 3, 4, 0, 0, 1, 3, 5, -2, 0, -1, 3, 5, 0, -1, 1, 3, 6, 0, 0, 0, 3, 7, -1, 1, -1, 4, 5, -1, 0, -1, 4, 5, 0, -2, 1, 4, 8, 0, 0, 0, 5, 7, 1, 1, 0, 5, 8, 0, 2, -1, 6, 8, -1, 1, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.98264 | 1.98264 | 1.71294 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.23333 | 0.23333 | 0.75 |
| 0.5 | 0.36667 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P4222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.43213 | 1.43213 | 1.39992 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.248 | 0.248 | 0.75 |
| 0.5 | 0.15057 | 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} |