s-net: sqc8260
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 18 |
| Edges per primitive translational unit | 33 |
| Transitivity (vertex,edge) | (3,6) |
| Vertex degrees | {3,4,4} |
| Vertex coordination sequence | [(3, 6, 14, 28, 42, 66, 101, 129, 169, 203), (4, 9, 18, 31, 50, 78, 106, 144, 172, 215), (4, 9, 18, 31, 48, 78, 106, 138, 176, 210)] |
| Wells’ vertex symbol | [4^2.6, 4^2.7^2.9^2, 4^2.7^3.9] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 6, 0, 0, 0, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 7, 0, 0, 0, 3, 9, 0, 0, 0, 4, 10, 0, 0, 0, 4, 11, 0, 0, 0, 4, 12, 0, 0, 0, 5, 11, 0, 0, 0, 5, 13, 0, 0, 0, 5, 14, 0, 0, 0, 6, 9, 1, 0, 0, 6, 15, 0, 0, 0, 6, 16, 0, 0, 0, 7, 11, 0, 1, 0, 8, 9, 1, 0, 0, 8, 17, 0, 0, 0, 8, 18, 0, 0, 0, 9, 11, 0, 1, 0, 10, 13, -1, 0, 0, 10, 15, -1, 0, 0, 10, 18, 0, 0, 1, 12, 13, -1, 0, 0, 12, 14, -1, 0, 0, 14, 15, -1, -1, -1, 14, 18, 0, -1, 0, 15, 17, 0, 0, 1, 16, 17, 0, 0, 1, 16, 18, 0, 0, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 7.15935 | 7.15935 | 3.00792 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.01852 | 0.48148 | 0.03704 |
| 0.12963 | 0.31481 | 0.03704 |
| 0.25926 | 0.01852 | 0.18519 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 6.73936 | 6.73936 | 2.93454 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.03636 | 0.45775 | 0.0674 |
| 0.12896 | 0.30263 | 0.01655 |
| 0.25849 | 0.02825 | 0.15129 |
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 |
|---|---|---|---|---|---|
 |
hqc1664 | *2626 | (2,5,4) | {4,3} | {12.4.18.4}{18.4.4} |