s-net: sqc3556
 |
|
| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 8 |
| Edges per primitive translational unit | 20 |
| Transitivity (vertex,edge) | (4,4) |
| Vertex degrees | {6,6,4,4} |
| Vertex coordination sequence | [(6, 18, 38, 66, 102, 146, 198, 258, 326, 402), (6, 18, 38, 66, 102, 146, 198, 258, 326, 402), (4, 12, 30, 58, 94, 138, 190, 250, 318, 394), (4, 12, 30, 58, 94, 138, 190, 250, 318, 394)] |
| Wells’ vertex symbol | [4^8.6^6.8, 4^8.6^6.8, 4^4.6^2, 4^4.6^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 5, 1, 0, 0, 2, 6, 0, 0, 0, 2, 6, 1, 0, 0, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 6, 0, 1, 0, 3, 7, 1, 0, 0, 3, 8, 0, 1, 0, 4, 6, 1, 0, 1, 4, 7, 0, 0, 1, 4, 8, 0, 0, 0, 5, 6, -1, 1, 1, 5, 6, 0, 1, 1, 5, 7, 0, 0, 1, 5, 8, -1, 1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.99804 | 3.6701 | 1.64139 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0 | 0 |
| 0 | 0 | 0.5 |
| 0 | 0.25 | 0.75 |
| 0.25 | 0.25 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.82812 | 3.99997 | 1.41452 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0 | 0 |
| 0 | 0 | 0.5 |
| 0 | 0.25 | 0.50014 |
| 0.25 | 0.25 | 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 |
|---|---|---|---|---|---|
 |
hqc136 | *2224 | (2,3,2) | {6,4} | {4.4.4.4.4.4}{4.4.4.4} |