s-net: sqc8238
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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) | (2,5) |
| Vertex degrees | {5,3} |
| Vertex coordination sequence | [(5, 12, 22, 40, 67, 100, 142, 177, 219, 281), (3, 6, 14, 30, 52, 77, 113, 163, 215, 249)] |
| Wells’ vertex symbol | [3.4^2.5^2.7.9^4, 4^2.6] |
| Systre key | (3, 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, 2, 3, 0, 0, 0, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 2, 9, 0, 0, 0, 3, 10, 0, 0, 0, 3, 11, 0, 0, 0, 3, 12, 0, 0, 0, 4, 9, 0, 0, 0, 4, 13, 0, 0, 0, 5, 12, 0, 0, 0, 5, 14, 0, 0, 0, 6, 8, 0, 1, 0, 6, 11, 1, 0, 0, 6, 15, 0, 0, 0, 6, 16, 0, 0, 0, 7, 10, 0, 0, 0, 7, 17, 0, 0, 0, 8, 11, 1, -1, 0, 8, 13, 0, 0, 1, 8, 18, 0, 0, 0, 9, 16, 0, -1, -1, 10, 18, -1, 0, -1, 11, 14, 0, 0, 1, 11, 17, 0, 1, 1, 12, 15, -1, 0, -1, 13, 16, 0, -1, -1, 14, 15, -1, 0, -1, 17, 18, -1, 0, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.86468 | 4.86468 | 9.90157 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.14035 | 0.07018 | 0.23333 |
| 0.08772 | 0.24561 | 0.3 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.60315 | 3.60315 | 8.92546 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.18503 | 0.09251 | 0.18789 |
| 0.26521 | 0.01232 | 0.28489 |
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 |
|---|---|---|---|---|---|
 |
hqc1715 | *2626 | (2,5,4) | {3,5} | {4.4.18}{18.4.12.12.4} |