s-net: sqc3964
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 9 |
| Edges per primitive translational unit | 21 |
| Transitivity (vertex,edge) | (2,3) |
| Vertex degrees | {3,8} |
| Vertex coordination sequence | [(3, 13, 39, 74, 143, 195, 290, 368, 492, 581), (8, 22, 52, 100, 152, 220, 306, 396, 502, 626)] |
| Wells’ vertex symbol | [3.7^2, 3^6.4^4.5^2.6^2.7^6.8^6.9^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 4, 0, 1, 0, 1, 5, 0, 0, 0, 1, 5, 1, 0, 0, 1, 6, 0, 0, 0, 1, 7, 0, 0, 0, 2, 4, 0, 0, 0, 2, 7, 0, 0, 1, 3, 5, 0, 0, 0, 3, 6, -1, 1, 1, 4, 5, 0, 0, 0, 4, 5, 1, -1, 0, 4, 7, 0, -1, 0, 4, 8, 0, 0, 0, 4, 9, 0, 0, 0, 5, 6, -1, 0, 0, 5, 8, 0, 0, 0, 5, 9, -1, 1, 0, 8, 9, -1, 1, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.46717 | 2.46717 | 6.58714 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.125 | 0.25 | 0.25 |
| 0 | 0.5 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.00019 | 2.00019 | 8.01048 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.13656 | 0.27311 | 0.27229 |
| 0 | 0.5 | 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 |
|---|---|---|---|---|---|
 |
hqc408 | *2626 | (2,3,3) | {8,3} | {6.3.18.3.6.3.18.3}{3.18.18} |