s-net: sqc8250
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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, 33, 60, 104, 151, 208, 266, 354, 433), (3, 7, 19, 43, 79, 121, 179, 244, 311, 388)] |
| Wells’ vertex symbol | [4^2.6^2.7^4.9^2, 4.7^2] |
| 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, 7, 0, 0, 0, 2, 8, 0, 0, 0, 2, 9, 0, 0, 0, 2, 10, 0, 0, 0, 3, 7, 1, 0, 0, 3, 10, 0, 1, 0, 3, 11, 0, 0, 0, 3, 12, 0, 0, 0, 4, 8, 0, 0, 0, 4, 13, 0, 0, 0, 5, 9, 0, 0, 0, 5, 14, 0, 0, 0, 6, 7, 0, 0, 1, 6, 10, 1, 0, 0, 6, 15, 0, 0, 0, 6, 16, 0, 0, 0, 7, 14, 1, 0, -1, 7, 17, 0, 0, 0, 8, 16, 1, 0, -1, 9, 12, 1, -1, 0, 10, 13, 1, -1, 0, 10, 18, 0, 0, 0, 11, 13, 1, 0, 0, 11, 15, 0, 1, -1, 12, 18, 0, 1, 0, 14, 15, -1, 0, 0, 16, 17, 0, 0, 1, 17, 18, 0, 1, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.40857 | 4.40857 | 6.26091 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.2963 | 0.14815 | 0.07576 |
| 0 | 0.25926 | 0.19697 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.26094 | 4.26094 | 3.57037 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.23923 | 0.11962 | 0.06584 |
| 0.0123 | 0.38881 | 0.03395 |
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 |
|---|---|---|---|---|---|
 |
hqc1761 | *2626 | (2,5,4) | {3,5} | {12.4.8}{8.6.8.4.4} |