s-net: sqc8251
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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, 31, 56, 94, 145, 196, 254, 323, 418), (3, 6, 16, 39, 70, 105, 162, 227, 289, 347)] |
| Wells’ vertex symbol | [4^2.6.7^4.8^2.9, 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, 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, 12, 0, 0, 0, 4, 13, 0, 0, 0, 5, 14, 0, 0, 0, 5, 15, 0, 0, 0, 6, 7, 0, 0, 1, 6, 10, 1, 0, 0, 6, 14, 0, 0, 0, 6, 16, 0, 0, 0, 7, 15, 1, 0, -1, 7, 17, 0, 0, 0, 8, 14, 1, 0, -1, 8, 15, 1, 0, -1, 9, 12, 1, -1, 0, 9, 13, 1, -1, 0, 10, 13, 1, -1, 0, 10, 18, 0, 0, 0, 11, 16, 0, 1, -1, 11, 17, 1, 0, 0, 16, 18, 1, 0, 0, 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 |
|---|---|---|---|---|---|
| 4.65869 | 4.65869 | 7.18707 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.30769 | 0.15385 | 0.04545 |
| 0.05128 | 0.28205 | 0.31818 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.28893 | 4.28893 | 3.52381 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.23912 | 0.11956 | 0.06526 |
| 0.04445 | 0.32203 | 0.19196 |
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 |
|---|---|---|---|---|---|
 |
hqc1751 | *2626 | (2,5,4) | {3,5} | {4.24.4}{4.6.4.24.24} |