s-net: sqc8184
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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, 96, 240, 438, 708, 1026, 1416, 1878, 2360, 2952), (4, 22, 106, 298, 548, 860, 1232, 1664, 2168, 2718)] |
| Wells’ vertex symbol | [3^12.4^18.5^33.6^42.7^30.8^12.9^6, 3.4^2.5^3] |
| Systre key | (3, 1, 1, -1, -1, 0, 1, 1, -1, 0, 0, 1, 1, 0, -1, 0, 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, 7, 1, 1, 0, 2, 11, 0, 0, 1, 3, 5, 0, 0, 0, 3, 6, 0, 1, 0, 3, 10, -1, 0, 1, 4, 5, 1, 0, 0, 4, 13, 0, 0, 1, 5, 12, -1, 0, 1, 6, 7, 0, 0, 0, 6, 8, -1, -1, 1, 7, 9, -1, -1, 1, 8, 9, 0, 0, 0, 8, 13, 1, 1, 0, 9, 12, 0, 1, 0, 10, 11, 1, 0, 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 |
|---|---|---|---|---|---|
| 2.28331 | 2.28331 | 7.85973 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.35556 | 0.11111 | 0.11111 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.26599 | 1.26599 | 7.36987 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.05933 | 0.31872 | 0.21292 |
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... |