s-net: sqc1961
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 6 |
| Edges per primitive translational unit | 16 |
| Transitivity (vertex,edge) | (3,4) |
| Vertex degrees | {4,4,8} |
| Vertex coordination sequence | [(4, 19, 46, 75, 128, 187, 248, 327, 416, 511), (4, 20, 38, 78, 130, 168, 248, 324, 406, 510), (8, 21, 46, 87, 130, 184, 254, 335, 418, 519)] |
| Wells’ vertex symbol | [4.5^4.6, 3^2.4^2.5^2, 3^4.4^5.5^8.6^7.7^4] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 2, 3, -1, 0, 0, 2, 3, 0, 1, 0, 2, 4, 0, 0, 0, 2, 5, 0, 0, 0, 2, 6, 0, 0, 0, 2, 6, 0, 1, 0, 3, 4, 0, 0, 1, 3, 5, 0, 0, 1, 3, 6, 0, 0, 0, 3, 6, 1, 0, 0, 4, 5, -1, 0, 0, 4, 5, 0, 1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Fmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.89645 | 2.84622 | 5.19437 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.66667 | 0 |
| 0.25 | 0.25 | 0.25 |
| 0 | 0 | 0.3 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Fmmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.6725 | 3.46375 | 4.32181 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.32917 | 0 |
| 0.25 | 0.25 | 0.25 |
| 0 | 0 | 0.31346 |
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 |
|---|---|---|---|---|---|
 |
hqc818 | *22222 | (3,4,2) | {8,4,4} | {3.5.5.3.3.5.5.3}{3.5.3.5}{5.5.5.5} |