s-net: sqc8245
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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, 14, 28, 48, 80, 122, 167, 218, 281, 352), (3, 6, 15, 33, 58, 92, 135, 183, 239, 306)] |
| Wells’ vertex symbol | [4^2.6^4.8^4, 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, 6, 1, 0, 0, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 2, 9, 0, 0, 0, 3, 9, 0, 0, 0, 3, 10, 0, 0, 0, 4, 7, 0, 1, 0, 4, 11, 0, 0, 0, 4, 12, 0, 0, 0, 4, 13, 0, 0, 0, 5, 14, 0, 0, 0, 5, 15, 0, 0, 0, 6, 11, 0, 0, 1, 6, 15, 0, 0, 0, 6, 16, 0, 0, 0, 7, 10, -1, -1, -1, 7, 11, -1, -1, 0, 7, 17, 0, 0, 0, 8, 16, 1, 0, 0, 8, 18, 0, 0, 0, 9, 13, 1, 0, 1, 10, 13, 1, 0, 1, 11, 14, 1, 1, 0, 11, 18, 0, 0, 0, 12, 14, 1, 1, 0, 12, 15, 1, 1, 0, 16, 17, 0, 1, 0, 17, 18, -1, -1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 7.0389 | 7.0389 | 3.76464 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.36842 | 0 |
| 0.34503 | 0.11111 | 0.11111 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 5.50293 | 5.50293 | 2.07757 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.4091 | 0 |
| 0.04848 | 0.27865 | 0.03877 |
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} |