s-net: sqc8222
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 12 |
| Edges per primitive translational unit | 33 |
| Transitivity (vertex,edge) | (2,5) |
| Vertex degrees | {7,4} |
| Vertex coordination sequence | [(7, 22, 49, 88, 139, 202, 277, 364, 463, 574), (4, 10, 32, 63, 109, 169, 234, 316, 414, 511)] |
| Wells’ vertex symbol | [3^3.4^8.5^5.6^3.7^2, 3^3.4^2.5] |
| 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, 1, 7, 0, 0, 0, 1, 8, 0, 0, 0, 2, 3, 1, 0, 0, 2, 4, 0, 1, 0, 2, 5, 0, 1, 0, 2, 8, 1, 0, 0, 2, 9, 0, 0, 0, 2, 10, 0, 0, 0, 3, 4, 0, 1, 0, 3, 5, 0, 0, 1, 3, 8, 1, -1, 1, 3, 9, -1, 0, 0, 3, 11, 0, 0, 0, 4, 5, 1, -1, 1, 4, 6, 0, 0, 0, 4, 8, 1, -1, 1, 4, 11, 0, -1, 0, 5, 8, 1, 0, 0, 5, 10, 0, -1, 0, 5, 12, 0, 0, 0, 6, 7, 0, 0, 0, 6, 11, 0, -1, 0, 7, 8, 0, 0, 0, 7, 12, -1, 0, 0, 8, 12, -1, 0, 0, 9, 10, 0, 0, 0, 9, 11, 1, 0, 0, 10, 12, 0, 1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.02617 | 4.02617 | 4.37135 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.28571 | 0 |
| 0.09524 | 0.19048 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: R-3m
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.11414 | 3.11414 | 2.9996 | 90.0 | 90.0 | 120.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.33935 | 0 |
| 0.10308 | 0.05154 | 0.16335 |
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 |
|---|---|---|---|---|---|
 |
hqc1624 | *2626 | (2,5,5) | {7,4} | {12.4.3.3.3.4.12}{3.3.6.3} |