s-net: sqc4334
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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 | 22 |
| Transitivity (vertex,edge) | (2,6) |
| Vertex degrees | {7,4} |
| Vertex coordination sequence | [(7, 22, 47, 85, 137, 196, 263, 349, 447, 547), (4, 12, 36, 69, 118, 178, 254, 324, 418, 530)] |
| Wells’ vertex symbol | [3.4^10.5^2.6^6.8^2, 3^2.4^3.5] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 1, 3, 1, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 2, 6, 0, 0, 0, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 2, 8, 0, 1, 0, 2, 8, 1, 0, 0, 3, 6, 0, 0, 1, 3, 7, 0, 0, 1, 3, 8, 0, 0, 0, 3, 8, 1, 0, 0, 4, 5, 0, 0, 0, 4, 7, 0, 0, 1, 4, 8, 1, 0, 1, 5, 6, 1, 0, 1, 5, 8, 1, 0, 1, 6, 7, 0, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.69314 | 1.88145 | 2.48782 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.1875 | 0.25 | 0.16667 |
| 0.25 | 0.16667 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 3.82787 | 0.95778 | 2.58112 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.13279 | 0.25 | 0.17317 |
| 0.25 | 0.10992 | 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 |
|---|---|---|---|---|---|
 |
hqc1667 | *22222 | (2,6,4) | {7,4} | {4.4.4.3.4.4.4}{4.4.3.3} |