s-net: sqc3903
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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, 86, 218, 414, 674, 998, 1386, 1838, 2354, 2934), (3, 34, 128, 296, 524, 816, 1172, 1592, 2076, 2624), (6, 8, 102, 278, 506, 798, 1154, 1574, 2058, 2606)] |
| Wells’ vertex symbol | [4^48.5^12.6^57.7^18.8^18, 4^2.5, 4^6.5^9] |
| Systre key | (3, 1, 1, -1, -1, -1, 1, 1, 0, -1, -1, 1, 1, 0, 0, -1, 1, 2, -1, -1, -2, 1, 2, 0, 0, 0, 1, 3, -1, -1, -2, 1, 3, 0, 0, 0, 1, 4, 0, -1, 0, 1, 4, 0, 0, 0, 1, 5, -1, 0, 0, 1, 5, 0, 0, 0, 1, 6, -1, 0, 0, 1, 6, 0, 0, 0, 1, 7, 0, -1, 0, 1, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 8, 0, -1, -1, 4, 8, 0, 0, -1, 5, 8, 0, -1, -1, 6, 8, 0, -1, -2, 7, 8, -1, -1, -2) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.6001 | 2.6001 | 2.10603 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.11111 | 0.22222 | 0.38889 |
| 0 | 0 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.77839 | 1.77839 | 2.21499 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.08985 | 0.17969 | 0.43477 |
| 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... |