s-net: sqc2108
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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 | 16 |
| Transitivity (vertex,edge) | (3,5) |
| Vertex degrees | {4,4,4} |
| Vertex coordination sequence | [(4, 12, 26, 40, 58, 94, 128, 164, 208, 244), (4, 10, 21, 40, 65, 91, 123, 160, 203, 258), (4, 8, 16, 34, 62, 90, 114, 152, 204, 256)] |
| Wells’ vertex symbol | [6^5.8, 4^2.6^3.8, 4^4.6^2] |
| Systre key | (3, 1, 2, 0, 0, 0, 1, 2, 2, 1, 0, 1, 3, 0, 0, 0, 1, 4, 0, 0, 0, 2, 5, 0, 0, 0, 2, 6, 0, 0, 0, 3, 5, 0, 0, 0, 3, 5, 2, 1, 0, 3, 7, 0, 0, 0, 4, 6, 0, 0, 0, 4, 6, 2, 1, 0, 4, 8, 0, 0, 0, 5, 8, 0, 1, 1, 6, 7, 0, 0, 1, 7, 8, -1, 0, 0, 7, 8, 1, 1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 6.67661 | 1.66927 | 2.60012 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.25 | 0.5 |
| 0.125 | 0.25 | 0.08824 |
| 0 | 0.25 | 0.02941 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 6.03752 | 1.99678 | 1.78736 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.25 | 0.25 | 0.5 |
| 0.1653 | 0.25 | 0.01916 |
| 0 | 0.75 | 0.01607 |
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 |
|---|---|---|---|---|---|
 |
hqc750 | *22222 | (3,5,2) | {4,4,4} | {4.4.4.4}{4.8.8.4}{8.8.8.8} |