s-net: sqc6221
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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 | 27 |
| Transitivity (vertex,edge) | (2,4) |
| Vertex degrees | {3,3} |
| Vertex coordination sequence | [(3, 6, 10, 16, 28, 40, 56, 70, 88, 112), (3, 5, 9, 17, 27, 37, 52, 69, 87, 110)] |
| Wells’ vertex symbol | [9.11^2, 4.9.11] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 5, 0, 0, 0, 2, 6, 0, 0, 0, 3, 5, 0, 0, 0, 3, 7, 0, 0, 0, 4, 8, 0, 0, 0, 4, 9, 0, 0, 0, 5, 9, 1, 0, 0, 6, 7, 0, 1, 0, 6, 10, 0, 0, 0, 7, 11, 0, 0, 0, 8, 12, 0, 0, 0, 8, 13, 0, 0, 0, 9, 14, 0, 0, 0, 10, 15, 0, 0, 0, 10, 16, 0, 0, 0, 11, 15, 0, 0, 1, 11, 16, 0, 0, 1, 12, 14, 0, 1, 1, 12, 17, 0, 0, 0, 13, 14, 0, 1, 1, 13, 18, 0, 0, 0, 15, 17, 1, -1, -1, 16, 18, 0, 0, -1, 17, 18, 0, 1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 5.5757 | 5.5757 | 8.36355 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.26667 | 0.13333 | 0.23333 |
| 0.06667 | 0.26667 | 0.3 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 5.48657 | 5.48657 | 7.74404 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.28135 | 0.14067 | 0.2228 |
| 0.03717 | 0.2566 | 0.28915 |
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 |
|---|---|---|---|---|---|
 |
hqc1012 | *2626 | (2,4,3) | {3,3} | {4.24.18}{18.24.24} |