s-net: sqc3793
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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) | (2,2) |
| Vertex degrees | {4,6} |
| Vertex coordination sequence | [(4, 14, 24, 68, 90, 132, 192, 250, 292, 394), (6, 13, 36, 63, 90, 143, 200, 237, 310, 405)] |
| Wells’ vertex symbol | [3^2.8^4, 3^4.4^3.5^4.6^4] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 1, 7, 0, 0, 0, 2, 4, 0, 0, 0, 2, 5, 1, 0, 0, 2, 8, 0, 0, 0, 3, 4, 0, 1, 0, 3, 5, 0, 0, 0, 3, 8, -1, 1, 0, 4, 6, 0, 0, 0, 4, 7, 0, 0, 1, 4, 8, -1, 0, 0, 5, 6, -1, 1, 1, 5, 7, 0, 0, 0, 5, 8, -1, 0, 0, 6, 8, 0, -1, -1, 7, 8, -1, 0, -1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: I4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.18667 | 3.18667 | 2.60191 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.25 | 0.25 |
| 0 | 0.16667 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: I4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.19226 | 3.19226 | 2.38269 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.25 | 0.25 |
| 0 | 0.2215 | 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 |
|---|---|---|---|---|---|
 |
hqc156 | *2224 | (2,2,2) | {6,4} | {3.8.3.3.8.3}{3.8.3.8} |