s-net: sqc3205
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| Systre crystallographic geometry file (.cgd) |
Links to this net in other databases
| topcryst |
Topological data
| Vertices per primitive translational unit | 6 |
| Edges per primitive translational unit | 20 |
| Transitivity (vertex,edge) | (2,5) |
| Vertex degrees | {8,4} |
| Vertex coordination sequence | [(8, 28, 66, 122, 194, 282, 384, 504, 640, 790), (4, 20, 56, 110, 180, 266, 368, 486, 616, 770)] |
| Wells’ vertex symbol | [3^2.4^16.5^4.6^6, 3^2.4^2.5^2] |
| Systre key | (3, 1, 1, -1, 0, 0, 1, 2, 0, 0, 0, 1, 3, 0, 0, 0, 1, 3, 0, 1, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 1, 6, 0, 0, 0, 2, 2, -1, 0, 0, 2, 3, 0, 0, 1, 2, 4, 1, 0, 1, 2, 5, -1, -1, 1, 2, 6, 0, -1, 1, 2, 6, 0, 0, 1, 3, 3, -1, 0, 0, 3, 4, 0, 0, 0, 3, 5, 0, -1, 0, 3, 6, 0, -1, 1, 4, 6, -1, 0, 0, 5, 6, 1, 0, 0, 6, 6, -1, 0, 0) |
Geometric data
Systre equilibrium placement (barycentric embedding) maximising unit cell volume
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.56911 | 2.1537 | 1.07767 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.16667 | 0 | 0 |
| 0.25 | 0.25 | 0.5 |
Edge end points:
Systre coordinates favouring equal edge-lengths
Spacegroup: Cmma
Parameters:
| a | b | c | alpha | beta | gamma |
|---|---|---|---|---|---|
| 4.20453 | 2.1038 | 1.05182 | 90.0 | 90.0 | 90.0 |
Vertex positions:
| X-pos | Y-pos | Z-pos |
|---|---|---|
| 0.12018 | 0 | 0 |
| 0.25 | 0.25 | 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 |
|---|---|---|---|---|---|
 |
hqc1348 | *222222 | (2,5,4) | {8,4} | {4.3.6.4.4.6.3.4}{3.6.3.6} |