s-net: sqc93
 |
|
| 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 | 8 |
| Transitivity (vertex,edge) | (2,5) |
| Vertex degrees | {8,4} |
| Vertex coordination sequence | [(8, 32, 76, 136, 216, 316, 432, 568, 724, 896), (4, 14, 46, 106, 186, 284, 402, 538, 692, 866)] |
| Wells’ vertex symbol | [4^13.6^14.8, 4^2.6^4] |
| Systre key | (3, 1, 1, -1, -2, 0, 1, 1, -1, 0, 0, 1, 1, 0, -1, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 2, 3, -2, -2, 1, 2, 3, -1, -1, 1, 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 |
|---|---|---|---|---|---|
| 2.58747 | 0.97791 | 0.84665 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.42857 | 0 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Pmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.92311 | 0.92125 | 0.48083 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0 | 0 |
| 0.34253 | 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 |
|---|---|---|---|---|---|
 |
hqc606 | *222222 | (2,5,3) | {4,8} | {4.8.8.4}{8.4.4.8.8.4.4.8} |