s-net: sqc1888
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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) | (4,3) |
| Vertex degrees | {3,4,8,4} |
| Vertex coordination sequence | [(3, 16, 21, 66, 63, 154, 129, 278, 209, 432), (4, 10, 32, 42, 104, 92, 208, 174, 352, 252), (8, 12, 42, 42, 112, 100, 218, 162, 352, 276), (4, 12, 22, 64, 68, 150, 118, 264, 220, 430)] |
| Wells’ vertex symbol | [4.6^2, 6^4.8^2, 4^4.6^12.8^12, 6^6] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 0, 1, 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, 5, 1, 0, 0, 2, 6, 0, 0, 0, 3, 7, 0, 0, 0, 4, 6, 0, 0, 1, 5, 7, 0, 0, 1, 6, 8, 0, 0, 0, 6, 8, 0, 1, 0, 7, 8, -1, 1, 0, 7, 8, 0, 1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.88854 | 1.88854 | 2.83282 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.5 | 0.33333 |
| 0 | 0.5 | 0 |
| 0.5 | 0.5 | 0.5 |
| 0.5 | 0.5 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.97525 | 1.97525 | 2.43974 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.5 | 0.40145 |
| 0 | 0.5 | 0 |
| 0.5 | 0.5 | 0.5 |
| 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 |
|---|---|---|---|---|---|
 |
hqc870 | *2244 | (4,3,2) | {8,3,4,4} | {4.6.4.6.4.6.4.6}{4.6.6}{6.6.6.6... |