s-net: sqc2844
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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 | 18 |
| Transitivity (vertex,edge) | (2,4) |
| Vertex degrees | {4,5} |
| Vertex coordination sequence | [(4, 9, 19, 38, 64, 93, 127, 168, 213, 263), (5, 13, 26, 45, 69, 98, 133, 173, 218, 269)] |
| Wells’ vertex symbol | [4^5.6, 4^5.6^3.8^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 5, 0, 0, 0, 2, 6, 0, 0, 0, 2, 7, 0, 0, 0, 3, 6, 0, 0, 0, 3, 6, 1, 0, 0, 3, 8, 0, 0, 0, 4, 7, 0, 0, 0, 4, 7, 1, 0, 0, 4, 8, 0, 0, 0, 5, 6, 0, 1, 0, 5, 7, 0, 1, 0, 5, 8, -1, 1, 0, 5, 8, 0, 1, 0, 6, 7, 0, 0, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: P4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.44222 | 3.44222 | 1.88515 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.1 | 0 |
| 0.2 | 0 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: P4/mmm
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.41434 | 2.41434 | 1.99996 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.29287 | 0 |
| 0 | 0.29289 | 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 |
|---|---|---|---|---|---|
 |
hqc1082 | *2244 | (2,4,4) | {4,5} | {4.4.6.4}{4.4.4.6.6} |