s-net: sqc297
 |
|
| 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 | 9 |
| Transitivity (vertex,edge) | (2,5) |
| Vertex degrees | {5,4} |
| Vertex coordination sequence | [(5, 13, 28, 51, 81, 118, 161, 211, 268, 331), (4, 10, 26, 52, 82, 118, 162, 212, 268, 332)] |
| Wells’ vertex symbol | [3.4^2.6^5.8^2, 3^2.4.8^2.9] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 3, 0, 0, 0, 2, 3, 0, 1, 0, 2, 4, 0, 0, 1, 3, 4, 0, 0, 1, 4, 4, -1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.55711 | 2.21369 | 1.27767 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0 | 0.5 |
| 0.5 | 0.16667 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.73201 | 2.00001 | 1.00003 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.18302 | 0 | 0.5 |
| 0.5 | 0.25 | 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 |
|---|---|---|---|---|---|
 |
hqc1043 | *22222 | (2,5,3) | {5,4} | {4.8.3.8.4}{8.8.3.3} |