s-net: sqc1557
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 7 |
| Edges per primitive translational unit | 15 |
| Transitivity (vertex,edge) | (2,3) |
| Vertex degrees | {4,6} |
| Vertex coordination sequence | [(4, 14, 32, 58, 92, 133, 182, 244, 310, 370), (6, 18, 30, 66, 98, 132, 198, 240, 296, 414)] |
| Wells’ vertex symbol | [5^4.6^2, 5^6.6^6.9^3] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 1, 7, 0, 0, 0, 2, 3, 1, -1, 0, 2, 4, 0, 1, 0, 2, 7, 1, 0, 0, 3, 5, 0, 0, 1, 3, 6, -1, 1, 1, 4, 5, 0, -1, 1, 4, 6, 0, 0, 1, 5, 7, 0, 1, 0, 6, 7, 1, -1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.17402 | 3.17402 | 3.2527 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.5 | 0.35714 |
| 0 | 0 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.13877 | 3.13877 | 3.20996 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.36651 | 0.18325 | 0.01346 |
| 0 | 0 | 0.5 |
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 |
|---|---|---|---|---|---|
 |
hqc182 | 2*26 | (2,3,1) | {4,6} | {5.5.5.5}{5.5.5.5.5.5} |