s-net: sqc6166
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 7 |
| Edges per primitive translational unit | 27 |
| Transitivity (vertex,edge) | (2,4) |
| Vertex degrees | {18,6} |
| Vertex coordination sequence | [(18, 78, 194, 366, 594, 878, 1218, 1614, 2066, 2574), (6, 33, 115, 261, 462, 718, 1030, 1398, 1822, 2302)] |
| Wells’ vertex symbol | [3^24.4^54.5^42.6^27.7^6, 3^5.4^8.5^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 2, 2, -1, 0, 0, 2, 2, 0, -1, 0, 2, 2, 0, 0, -1, 2, 3, 0, 0, 0, 2, 3, 0, 1, 0, 2, 4, -1, 0, 0, 2, 4, -1, 0, 1, 2, 5, 0, 0, 0, 2, 5, 0, 0, 1, 2, 6, -1, 0, 0, 2, 6, -1, 1, 0, 2, 7, 0, 0, 0, 2, 7, 1, 0, 0, 3, 4, -1, -1, 1, 3, 5, 0, 0, 1, 3, 7, 1, -1, 0, 4, 6, 0, 1, 0, 4, 7, 1, 0, -1, 5, 6, -1, 0, 0, 5, 7, 1, 0, -1, 6, 7, 1, -1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.52784 | 2.52784 | 2.68193 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.33333 | 0 | 0.16667 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.35813 | 2.35813 | 2.87538 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 0.39878 | 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 |
|---|---|---|---|---|---|
 |
hqc946 | *2626 | (2,4,4) | {6,18} | {6.4.3.3.3.4}{3.3.3.3.3.3.3.3.3.... |