s-net: sqc6178
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 9 |
| Edges per primitive translational unit | 27 |
| Transitivity (vertex,edge) | (2,4) |
| Vertex degrees | {5,8} |
| Vertex coordination sequence | [(5, 15, 41, 77, 141, 203, 292, 378, 496, 596), (8, 22, 56, 98, 154, 224, 308, 396, 512, 624)] |
| Wells’ vertex symbol | [3^4.4^2.6^4, 3^8.4^4.6^6.7^8.8^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 4, 0, 1, 0, 1, 5, 0, 0, 0, 1, 5, 1, 0, 0, 1, 6, 0, 0, 0, 1, 7, 0, 0, 0, 2, 3, 0, 0, 0, 2, 5, 1, 0, 0, 2, 7, 0, 0, 1, 2, 8, 0, 0, 0, 3, 4, 0, 1, 0, 3, 6, -1, 1, 1, 3, 8, 0, 0, 0, 4, 5, 0, 0, 0, 4, 5, 1, -1, 0, 4, 6, 0, 0, 0, 4, 8, 0, -1, 0, 4, 9, 0, 0, 0, 5, 7, 0, 0, 0, 5, 8, -1, 0, 0, 5, 9, 0, 0, 0, 6, 7, 0, 0, 0, 6, 9, 0, 0, 0, 7, 9, 0, 0, 0, 8, 9, 0, 1, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.6337 | 2.6337 | 7.71033 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.14286 | 0.07143 | 0.25 |
| 0.5 | 0 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.00032 | 2.00032 | 7.89872 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.33342 | 0.16671 | 0.10337 |
| 0.5 | 0 | 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 |
|---|---|---|---|---|---|
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hqc978 | *2626 | (2,4,4) | {5,8} | {12.3.3.3.12}{3.3.6.3.3.3.6.3} |