s-net: sqc2019
 |
|
| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 6 |
| Edges per primitive translational unit | 16 |
| Transitivity (vertex,edge) | (2,4) |
| Vertex degrees | {5,6} |
| Vertex coordination sequence | [(5, 17, 39, 73, 119, 172, 231, 307, 390, 477), (6, 18, 40, 74, 124, 168, 232, 314, 384, 478)] |
| Wells’ vertex symbol | [3.4^2.5^3.6^2.7^2, 3^4.4^2.5^4.6^5] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 3, 0, 1, 0, 2, 4, 0, 1, 0, 2, 6, 0, 0, 0, 3, 4, -1, 0, 0, 3, 4, 0, 0, 0, 3, 5, -1, -1, 1, 3, 6, 0, 0, 1, 4, 5, 0, -1, 1, 4, 6, 1, 0, 1, 5, 6, 0, 0, 0, 5, 6, 1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.79349 | 1.64378 | 2.32468 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.3125 | 0.25 | 0.25 |
| 0 | 0 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.97869 | 1.99595 | 2.00164 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.2629 | 0.25 | 0.25093 |
| 0 | 0 | 0 |
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 |
|---|---|---|---|---|---|
 |
hqc617 | *22222 | (2,4,3) | {5,6} | {4.6.3.6.4}{6.3.3.6.3.3} |