s-net: sqc569
 |
|
| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 4 |
| Edges per primitive translational unit | 11 |
| Transitivity (vertex,edge) | (2,6) |
| Vertex degrees | {7,4} |
| Vertex coordination sequence | [(7, 19, 41, 75, 123, 181, 255, 337, 435, 541), (4, 10, 30, 64, 112, 170, 244, 326, 424, 530)] |
| Wells’ vertex symbol | [3.4^16.6^4, 3^2.4.8^2.9] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, -2, 1, 0, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 2, -1, 0, 0, 2, 3, 1, -1, 0, 2, 4, 1, -1, 0, 3, 4, 0, 0, 0, 3, 4, 0, 0, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.56743 | 1.04884 | 2.42165 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0.125 |
| 0.16667 | 0 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.44307 | 0.94454 | 1.87539 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0.20875 |
| 0.27635 | 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 |
|---|---|---|---|---|---|
 |
hqc1671 | *222222 | (2,6,4) | {7,4} | {4.4.8.3.8.4.4}{8.8.3.3} |