s-net: sqc4166
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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 | {5,6} |
| Vertex coordination sequence | [(5, 18, 49, 94, 149, 218, 307, 406, 511, 632), (6, 22, 49, 92, 153, 224, 305, 400, 515, 638)] |
| Wells’ vertex symbol | [3.4^2.5^4.6^3, 3^2.4^2.5^5.6^4.7^2] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 3, 0, 0, 0, 2, 3, 0, 1, 0, 2, 5, -1, 0, 0, 2, 5, 0, 0, 0, 2, 6, 0, 0, 0, 3, 6, 0, -1, 0, 3, 7, -1, 0, 0, 3, 7, 0, 0, 0, 4, 4, -1, 0, 0, 4, 5, -1, -1, 1, 4, 7, 0, 0, 1, 5, 7, 1, 0, 0, 5, 7, 1, 1, 0, 5, 8, 0, 0, 0, 6, 6, -1, 0, 0, 6, 8, -1, 0, 1, 7, 8, -1, 0, 0, 8, 8, -1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 6.16127 | 2.24823 | 1.16412 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.1 | 0 | 0 |
| 0.2 | 0.25 | 0.1 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 7.1955 | 1.73334 | 1.00001 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.06949 | 0 | 0 |
| 0.18983 | 0.25 | 0.24962 |
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 |
|---|---|---|---|---|---|
 |
hqc1693 | *222222 | (2,6,4) | {6,5} | {4.3.8.8.3.4}{3.8.4.4.8} |