s-net: sqc6880
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 16 |
| Edges per primitive translational unit | 28 |
| Transitivity (vertex,edge) | (2,3) |
| Vertex degrees | {3,4} |
| Vertex coordination sequence | [(3, 8, 19, 34, 53, 76, 101, 131, 168, 206), (4, 9, 18, 33, 52, 74, 102, 133, 164, 203)] |
| Wells’ vertex symbol | [6.8^2, 4.6^2.8^3] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 3, 1, 0, 0, 2, 6, 0, 0, 0, 2, 7, 0, 0, 0, 3, 8, 0, 0, 0, 4, 5, 0, 1, 0, 4, 9, 0, 0, 0, 5, 7, 0, 0, 0, 5, 10, 0, 0, 0, 6, 7, 0, 1, 0, 6, 11, 0, 0, 0, 7, 10, 1, 0, 0, 8, 12, 0, 0, 0, 8, 13, 0, 0, 0, 9, 12, 0, 0, 1, 9, 14, 0, 0, 0, 10, 15, 0, 0, 0, 11, 13, 1, 0, 1, 11, 16, 0, 0, 0, 12, 13, 1, 0, 0, 12, 14, 0, -1, -1, 13, 16, -1, -1, -1, 14, 15, 0, 1, 1, 14, 16, 0, 0, 0, 15, 16, -1, -1, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P42/mmc
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.65299 | 2.65299 | 4.33307 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.33333 | 0.125 |
| 0.33333 | 0.33333 | 0.25 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P42/mmc
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.68209 | 2.68209 | 4.16387 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.3142 | 0.12008 |
| 0.31358 | 0.31358 | 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 |
|---|---|---|---|---|---|
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hqc445 | *2244 | (2,3,3) | {4,3} | {4.8.8.8}{8.8.8} |