s-net: sqc3911
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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 | 21 |
| Transitivity (vertex,edge) | (3,3) |
| Vertex degrees | {18,3,6} |
| Vertex coordination sequence | [(18, 96, 234, 434, 702, 1016, 1422, 1842, 2394, 2912), (3, 36, 152, 342, 590, 906, 1268, 1722, 2190, 2790), (6, 6, 72, 230, 462, 720, 1098, 1454, 1986, 2432)] |
| Wells’ vertex symbol | [3^6.4^18.5^57.6^36.8^30.9^6, 4^3, 4^6.5^9] |
| Systre key | (3, 1, 1, -1, -1, 0, 1, 1, -1, 0, 1, 1, 1, 0, -1, -1, 1, 2, 0, -1, 0, 1, 2, 0, 0, 0, 1, 3, 0, -1, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 4, 0, 0, 1, 1, 5, -1, 0, 0, 1, 5, 0, 0, 0, 1, 6, -1, 0, 0, 1, 6, 0, 0, 0, 1, 7, 0, 0, 0, 1, 7, 0, 0, 1, 2, 8, 0, 0, 0, 3, 8, -1, 0, 1, 4, 8, 0, 0, 0, 5, 8, 0, 0, 1, 6, 8, 0, -1, 0, 7, 8, -1, -1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.78253 | 1.78253 | 4.88019 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0.33333 | 0.16667 |
| 0 | 0 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.43163 | 1.43163 | 6.29751 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0.33454 | 0.5 |
| 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 |
|---|---|---|---|---|---|
 |
hqc560 | *2626 | (3,3,2) | {18,3,6} | {5.4.5.5.4.5.5.4.5.5.4.5.5.4.5.5... |