s-net: sqc5680
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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 | 26 |
| Transitivity (vertex,edge) | (2,7) |
| Vertex degrees | {7,6} |
| Vertex coordination sequence | [(7, 27, 67, 133, 221, 335, 471, 633, 817, 1027), (6, 24, 55, 123, 209, 327, 456, 626, 799, 1021)] |
| Wells’ vertex symbol | [3.4^10.5^6.6^4, 3^2.4^4.5^5.6^4] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 1, 5, -2, 0, 0, 1, 5, 0, 0, 0, 2, 2, -1, 0, 0, 2, 6, -2, 0, 0, 2, 6, 0, 0, 0, 2, 7, 0, 0, 0, 2, 8, 0, 0, 0, 3, 4, 0, 0, 0, 3, 4, 0, 0, 1, 3, 6, 0, 1, 0, 3, 8, 0, 1, 0, 3, 8, 1, 1, 0, 4, 6, 0, 1, -1, 4, 7, 1, 1, -1, 4, 7, 2, 1, -1, 5, 5, -1, 0, 0, 5, 6, 2, 2, -1, 5, 7, 2, 1, -1, 5, 8, 2, 1, 0, 6, 6, -1, 0, 0, 7, 8, 0, 0, 0, 7, 8, 0, 0, 1) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 2.58114 | 5.24502 | 1.0205 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.06818 | 0 |
| 0 | 0.52273 | 0.1 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.88988 | 3.24666 | 0.90772 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.09386 | 0 |
| 0 | 0.14776 | 0.24622 |
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 |
|---|---|---|---|---|---|
 |
hqc2170 | *222222 | (2,7,5) | {7,6} | {4.4.4.3.4.4.4}{4.4.3.4.4.3} |