s-net: sqc640
 |
|
| 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 | 11 |
| Transitivity (vertex,edge) | (4,6) |
| Vertex degrees | {3,4,4,4} |
| Vertex coordination sequence | [(3, 9, 23, 47, 76, 112, 160, 220, 289, 365), (4, 12, 28, 56, 88, 132, 186, 240, 300, 378), (4, 10, 28, 50, 82, 130, 182, 234, 298, 380), (4, 10, 24, 44, 72, 108, 154, 208, 276, 354)] |
| Wells’ vertex symbol | [6.8^2, 6^4.8^2, 6.8^4.10, 6^2.8^3.10] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 1, 0, 2, 3, 0, 0, 0, 2, 4, 0, 0, 0, 3, 5, 0, 0, 0, 3, 6, 0, 0, 0, 4, 5, 0, 0, 1, 4, 6, 2, 0, 1, 5, 6, 1, -1, 0, 5, 6, 1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.80506 | 1.37936 | 3.37753 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0.16667 |
| 0.5 | 1 | 0.5 |
| 0 | 0 | 0.5 |
| 0.16667 | 0.5 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P222
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.99995 | 1.00014 | 3.41411 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0.2071 |
| 0.5 | 1 | 0.5 |
| 0 | 0 | 0.5 |
| 0.25 | 0.5 | 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 |
|---|---|---|---|---|---|
 |
hqc1766 | *222222 | (4,6,2) | {4,3,4,4} | {6.8.8.6}{6.8.8}{8.8.8.8}{8.8.8.8} |