s-net: sqc3733
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| 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) | (2,6) |
| Vertex degrees | {4,6} |
| Vertex coordination sequence | [(4, 12, 29, 56, 93, 138, 190, 250, 318, 394), (6, 18, 38, 66, 102, 146, 198, 258, 326, 402)] |
| Wells’ vertex symbol | [4^4.6^2, 4^8.6^7] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 3, 1, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 2, 3, 0, 1, 0, 2, 6, -1, 1, 0, 2, 6, 0, 1, 0, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 4, -1, 0, -1, 3, 5, 0, 0, 1, 3, 6, -1, 1, 0, 4, 5, 0, 0, 1, 4, 8, 1, -1, 1, 5, 7, 0, -1, -1, 6, 7, 0, -1, -1, 6, 8, 1, -1, 1, 7, 8, 0, 0, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Fmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.81769 | 2.2854 | 3.73291 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.3 | 0.16667 | 0 |
| 0.15 | 0.25 | 0.25 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Fmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.00026 | 2.00012 | 3.99992 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.12502 | 0.25003 | 0 |
| 0.125 | 0.25 | 0.25 |
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 |
|---|---|---|---|---|---|
 |
hqc1419 | *22222 | (2,6,3) | {6,4} | {4.4.4.4.4.4}{4.4.4.4} |