s-net: sqc3897
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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) | (3,4) |
| Vertex degrees | {18,3,6} |
| Vertex coordination sequence | [(18, 104, 316, 656, 1124, 1720, 2444, 3296, 4276, 5384), (3, 36, 162, 428, 818, 1336, 1982, 2756, 3658, 4688), (6, 8, 96, 334, 692, 1178, 1792, 2534, 3404, 4402)] |
| Wells’ vertex symbol | [4^24.5^60.6^57.7^12, 4^2.5, 4^6.5^9] |
| Systre key | (3, 1, 1, -2, -1, 1, 1, 1, 0, -1, 0, 1, 1, 0, 0, -1, 1, 2, -1, -1, 0, 1, 2, 0, 0, 0, 1, 3, -1, -1, 0, 1, 3, 0, 0, 0, 1, 4, -1, 0, 0, 1, 4, 0, 0, 0, 1, 5, -1, 0, 1, 1, 5, 0, 0, 0, 1, 6, -1, 0, 1, 1, 6, 0, 0, 0, 1, 7, -1, 0, 0, 1, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 8, 0, 0, -1, 4, 8, 1, 0, -1, 5, 8, 0, 0, -1, 6, 8, 0, -1, -1, 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 |
|---|---|---|---|---|---|
| 2.68548 | 2.68548 | 1.99566 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.22222 | 0.11111 | 0.27778 |
| 0 | 0 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.08356 | 2.08356 | 0.98473 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.15213 | 0.30426 | 0.24627 |
| 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... |