s-net: sqc8194
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 13 |
| Edges per primitive translational unit | 33 |
| Transitivity (vertex,edge) | (2,5) |
| Vertex degrees | {18,4} |
| Vertex coordination sequence | [(18, 102, 290, 582, 978, 1478, 2082, 2790, 3602, 4518), (4, 22, 110, 325, 645, 1067, 1593, 2223, 2957, 3795)] |
| Wells’ vertex symbol | [3^6.4^24.5^30.6^45.7^24.8^18.9^6, 3.4^2.5^3] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 1, 0, -1, 0, 1, 1, 0, 0, -1, 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, 1, 8, 0, 0, 0, 1, 9, 0, 0, 0, 1, 10, 0, 0, 0, 1, 11, 0, 0, 0, 1, 12, 0, 0, 0, 1, 13, 0, 0, 0, 2, 4, 0, 0, 0, 2, 11, 1, 0, -1, 2, 12, 1, 0, 0, 3, 5, 0, 0, 0, 3, 10, 1, -1, 0, 3, 13, 1, 0, 0, 4, 7, 0, 0, -1, 4, 13, 1, 0, -1, 5, 6, 0, -1, 0, 5, 12, 1, -1, 0, 6, 7, 0, 1, -1, 6, 8, 0, 0, 0, 7, 9, 0, 0, 0, 8, 9, 0, 1, -1, 8, 11, 0, 0, -1, 9, 10, 0, -1, 0, 10, 12, 0, 0, 0, 11, 13, 0, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.9286 | 2.9286 | 4.18967 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0.33333 | 0.06667 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.11354 | 2.11354 | 1.90759 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.09732 | 0.42127 | 0.08406 |
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 |
|---|---|---|---|---|---|
 |
hqc1663 | *2626 | (2,5,4) | {4,18} | {12.4.3.4}{3.4.4.3.4.4.3.4.4.3.4... |