s-net: sqc2719
 |
|
| 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 | 18 |
| Transitivity (vertex,edge) | (2,5) |
| Vertex degrees | {3,6} |
| Vertex coordination sequence | [(3, 11, 36, 74, 119, 178, 249, 328, 423, 528), (6, 21, 46, 83, 132, 192, 262, 345, 436, 539)] |
| Wells’ vertex symbol | [4.6^2, 4^3.6^12] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 6, 0, 0, 0, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 2, 8, 0, 1, 0, 3, 6, 0, 0, 1, 3, 7, 0, 0, 1, 3, 8, 1, 0, 0, 3, 8, 2, 0, 0, 4, 7, -1, 0, 1, 4, 8, 0, 1, 1, 5, 6, -1, 1, 1, 5, 8, 0, 1, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.24406 | 4.34711 | 1.77462 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.375 | 0.25 | 0.33333 |
| 0 | 0.58333 | 0.16667 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.02692 | 4.62471 | 1.70954 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.26463 | 0.25 | 0.4677 |
| 0 | 0.5562 | 0.25044 |
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 |
|---|---|---|---|---|---|
 |
hqc992 | *222222 | (2,5,3) | {6,3} | {4.6.8.8.6.4}{6.8.8} |