s-net: sqc48
 |
|
| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 3 |
| Edges per primitive translational unit | 7 |
| Transitivity (vertex,edge) | (2,4) |
| Vertex degrees | {3,8} |
| Vertex coordination sequence | [(3, 13, 40, 79, 127, 186, 255, 335, 426, 527), (8, 24, 50, 88, 136, 194, 264, 344, 434, 536)] |
| Wells’ vertex symbol | [3.6^2, 3^4.4^6.5^8.6^4.7^4.8^2] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 1, 0, -1, 0, 1, 2, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, -1, 0, 0, 1, 3, 0, 0, 0, 2, 3, 0, 0, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.12149 | 1.58552 | 2.24253 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0.25 |
| 0.5 | 0 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.00009 | 1.00015 | 2.73187 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0.18302 |
| 0.5 | 0 | 0.5 |
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 |
|---|---|---|---|---|---|
 |
hqc473 | *22222 | (2,4,2) | {8,3} | {3.8.8.3.3.8.8.3}{3.8.8} |
