s-net: sqc1781
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 4 |
| Edges per primitive translational unit | 16 |
| Transitivity (vertex,edge) | (2,4) |
| Vertex degrees | {10,6} |
| Vertex coordination sequence | [(10, 38, 80, 144, 228, 314, 440, 580, 704, 898), (6, 28, 78, 136, 208, 330, 424, 544, 750, 868)] |
| Wells’ vertex symbol | [3^6.4^19.5^14.6^6, 3^6.4^8.5] |
| Systre key | (3, 1, 1, -1, 1, 0, 1, 1, 0, -1, 0, 1, 2, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, -1, 1, 0, 1, 3, 0, 0, 0, 1, 4, 0, -1, 0, 1, 4, 0, 0, 0, 2, 2, -1, 1, 0, 2, 2, 0, -1, 0, 2, 3, -1, 1, 1, 2, 3, -1, 2, 1, 2, 4, -1, 1, 1, 2, 4, 0, 0, 1, 3, 4, 0, -1, 0, 3, 4, 1, -1, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.49795 | 1.93371 | 2.36755 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.25 | 0.25 |
| 0.25 | 0 | 0 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 1.83996 | 0.96051 | 2.10829 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0 | 0.25 | 0.40579 |
| 0.25 | 0 | 0 |
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 |
|---|---|---|---|---|---|
 |
hqc609 | *22222 | (2,4,3) | {10,6} | {4.3.3.3.4.4.3.3.3.4}{3.3.3.3.3.3} |